./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.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 b13c8169fb5357220d29959d63393b66877a012797fdaa495805bf5299de8fb1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 23:50:53,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 23:50:53,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 23:50:53,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 23:50:53,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 23:50:53,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 23:50:53,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 23:50:53,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 23:50:53,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 23:50:53,470 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 23:50:53,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 23:50:53,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 23:50:53,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 23:50:53,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 23:50:53,473 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 23:50:53,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 23:50:53,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 23:50:53,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 23:50:53,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 23:50:53,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 23:50:53,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 23:50:53,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 23:50:53,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 23:50:53,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 23:50:53,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 23:50:53,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 23:50:53,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 23:50:53,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 23:50:53,480 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 23:50:53,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 23:50:53,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 23:50:53,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 23:50:53,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:50:53,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 23:50:53,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 23:50:53,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 23:50:53,482 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 23:50:53,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 23:50:53,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 23:50:53,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 23:50:53,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 23:50:53,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 23:50:53,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b13c8169fb5357220d29959d63393b66877a012797fdaa495805bf5299de8fb1 [2024-11-09 23:50:53,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 23:50:53,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 23:50:53,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 23:50:53,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 23:50:53,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 23:50:53,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:55,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 23:50:55,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 23:50:55,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:55,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59063ab47/d4af3543fff14578b3dd7175a109085e/FLAG23d238d7e [2024-11-09 23:50:55,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59063ab47/d4af3543fff14578b3dd7175a109085e [2024-11-09 23:50:55,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 23:50:55,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 23:50:55,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 23:50:55,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 23:50:55,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 23:50:55,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:55" (1/1) ... [2024-11-09 23:50:55,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f55a9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:55, skipping insertion in model container [2024-11-09 23:50:55,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:50:55" (1/1) ... [2024-11-09 23:50:55,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 23:50:55,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8622,8635] [2024-11-09 23:50:55,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15089,15102] [2024-11-09 23:50:55,893 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17286,17299] [2024-11-09 23:50:55,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18310,18323] [2024-11-09 23:50:56,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:50:56,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 23:50:56,195 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[8622,8635] [2024-11-09 23:50:56,214 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15089,15102] [2024-11-09 23:50:56,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[17286,17299] [2024-11-09 23:50:56,225 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[18310,18323] [2024-11-09 23:50:56,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 23:50:56,369 INFO L204 MainTranslator]: Completed translation [2024-11-09 23:50:56,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56 WrapperNode [2024-11-09 23:50:56,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 23:50:56,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 23:50:56,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 23:50:56,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 23:50:56,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,501 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2803 [2024-11-09 23:50:56,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 23:50:56,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 23:50:56,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 23:50:56,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 23:50:56,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,578 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]. [2024-11-09 23:50:56,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,610 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 23:50:56,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 23:50:56,641 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 23:50:56,641 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 23:50:56,642 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (1/1) ... [2024-11-09 23:50:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 23:50:56,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:50:56,683 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) [2024-11-09 23:50:56,689 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 [2024-11-09 23:50:56,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 23:50:56,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 23:50:56,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 23:50:56,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 23:50:56,946 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 23:50:56,948 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 23:50:58,559 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1687: havoc main_~node3____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:58,560 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2348: havoc main_~node3____CPAchecker_TMP_0~5#1; [2024-11-09 23:50:58,560 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L300: havoc main_~node2__m2~1#1; [2024-11-09 23:50:58,560 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: 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; [2024-11-09 23:50:58,560 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: 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; [2024-11-09 23:50:58,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4198: 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; [2024-11-09 23:50:58,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4198: 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; [2024-11-09 23:50:58,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3472: havoc main_~node3____CPAchecker_TMP_1~9#1; [2024-11-09 23:50:58,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L367: 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; [2024-11-09 23:50:58,561 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L367: 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; [2024-11-09 23:50:58,562 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3208: havoc main_~node3____CPAchecker_TMP_1~8#1; [2024-11-09 23:50:58,562 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1160: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2024-11-09 23:50:58,563 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2880: 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; [2024-11-09 23:50:58,564 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2880: 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; [2024-11-09 23:50:58,564 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2683: 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; [2024-11-09 23:50:58,564 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2683: 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; [2024-11-09 23:50:58,564 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3608: havoc main_~node3____CPAchecker_TMP_0~10#1; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4005: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4005: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2552: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: havoc main_~node3____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L901: havoc main_~node3__m3~3#1; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1827: havoc main_~node3____CPAchecker_TMP_0~3#1; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L770: havoc main_~node1____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2224: 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; [2024-11-09 23:50:58,565 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: 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; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: 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; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1566: havoc main_~node3__m3~6#1; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L510: havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__m1~3#1; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L510: havoc main_~node1____CPAchecker_TMP_0~1#1;havoc main_~node1__m1~3#1; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3351: havoc main_~node3__m3~13#1;havoc main_~node2____CPAchecker_TMP_0~3#1; [2024-11-09 23:50:58,566 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4144: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4144: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3087: havoc main_~node3__m3~12#1; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2031: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3947: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2494: 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; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2957: havoc main_~node3____CPAchecker_TMP_1~7#1; [2024-11-09 23:50:58,567 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L712: havoc main_~node2____CPAchecker_TMP_1~0#1; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2166: 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; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2166: 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; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2629: 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; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2629: 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; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1440: havoc main_~node3____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L317: havoc main_~node3__m3~1#1; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1243: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: 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; [2024-11-09 23:50:58,568 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1576: havoc main_~node3____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1973: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2436: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2436: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3361: havoc main_~node3____CPAchecker_TMP_0~9#1; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3097: havoc main_~node3____CPAchecker_TMP_0~8#1; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L851: 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; [2024-11-09 23:50:58,569 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L851: 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; [2024-11-09 23:50:58,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4221: havoc main_~node3____CPAchecker_TMP_1~12#1; [2024-11-09 23:50:58,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L456: 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; [2024-11-09 23:50:58,570 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L456: 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; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L456: 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; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,572 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L192: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L985: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: 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; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1118: 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; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2836: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2024-11-09 23:50:58,573 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3893: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3893: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1780: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3696: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3696: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2706: havoc main_~node3____CPAchecker_TMP_1~6#1; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3565: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3565: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3301: 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; [2024-11-09 23:50:58,574 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2112: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2112: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1915: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1915: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: havoc main_~node2__m2~3#1; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L598: havoc main_~node3____CPAchecker_TMP_0~1#1; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2382: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4100: havoc main_~node3__m3~16#1; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1722: 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; [2024-11-09 23:50:58,575 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2846: havoc main_~node3____CPAchecker_TMP_0~7#1; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3507: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3507: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3243: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3970: havoc main_~node3____CPAchecker_TMP_1~11#1; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2319: havoc main_~node2__m2~4#1; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3642: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3642: 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; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2585: havoc main_~node3__m3~10#1; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2189: havoc main_~node3____CPAchecker_TMP_1~4#1; [2024-11-09 23:50:58,576 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L407: havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: 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; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3050: 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; [2024-11-09 23:50:58,577 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1861: 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; [2024-11-09 23:50:58,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1861: 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; [2024-11-09 23:50:58,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: 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; [2024-11-09 23:50:58,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: 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; [2024-11-09 23:50:58,578 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: havoc main_~node2__m2~0#1;havoc main_~node1____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:58,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: 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; [2024-11-09 23:50:58,579 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1533: 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; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3449: 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; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3449: 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; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3185: 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; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3185: 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; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4110: havoc main_~node3____CPAchecker_TMP_0~12#1; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2459: havoc main_~node3____CPAchecker_TMP_1~5#1; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3849: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:58,581 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L282: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L282: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1273: havoc main_~check__tmp~9#1; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L943: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2595: havoc main_~node3____CPAchecker_TMP_0~6#1; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1076: havoc main_~node3__m3~4#1; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2992: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3719: havoc main_~node3____CPAchecker_TMP_1~10#1; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4314: 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; [2024-11-09 23:50:58,582 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4314: 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; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1209: havoc main_~node3__m3~5#1; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2068: havoc main_~node3__m3~8#1; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: 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; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1475: 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; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1938: havoc main_~node3____CPAchecker_TMP_1~3#1; [2024-11-09 23:50:58,583 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L684: havoc main_~node2____CPAchecker_TMP_0~1#1; [2024-11-09 23:50:58,584 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2799: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1610: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2338: havoc main_~node3__m3~9#1;havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3395: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3395: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3131: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3131: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: 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; [2024-11-09 23:50:58,585 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3859: havoc main_~node3____CPAchecker_TMP_0~11#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4256: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4256: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3332: havoc main_~node2__m2~5#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1417: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1417: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2078: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3598: havoc main_~node3__m3~14#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L626: havoc main_~node3____CPAchecker_TMP_1~0#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L230: havoc main_~node3__m3~0#1;havoc main_~node2____CPAchecker_TMP_0~0#1; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2741: 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; [2024-11-09 23:50:58,586 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4063: 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; [2024-11-09 23:50:58,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L4063: 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; [2024-11-09 23:50:58,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1817: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:58,587 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1817: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2024-11-09 23:50:58,683 INFO L? ?]: Removed 482 outVars from TransFormulas that were not future-live. [2024-11-09 23:50:58,683 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 23:50:58,710 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 23:50:58,711 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 23:50:58,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:50:58 BoogieIcfgContainer [2024-11-09 23:50:58,711 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 23:50:58,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 23:50:58,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 23:50:58,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 23:50:58,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:50:55" (1/3) ... [2024-11-09 23:50:58,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76416b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:50:58, skipping insertion in model container [2024-11-09 23:50:58,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:50:56" (2/3) ... [2024-11-09 23:50:58,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76416b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:50:58, skipping insertion in model container [2024-11-09 23:50:58,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 11:50:58" (3/3) ... [2024-11-09 23:50:58,719 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-09 23:50:58,734 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 23:50:58,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 23:50:58,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 23:50:58,815 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;@3bd9423d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 23:50:58,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-09 23:50:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 451 states, 446 states have (on average 1.8408071748878925) internal successors, (821), 450 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 23:50:58,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:58,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:58,836 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)] === [2024-11-09 23:50:58,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 396734492, now seen corresponding path program 1 times [2024-11-09 23:50:58,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:58,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401517671] [2024-11-09 23:50:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:59,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:59,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:59,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401517671] [2024-11-09 23:50:59,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401517671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:59,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:59,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:59,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786786920] [2024-11-09 23:50:59,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:59,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:59,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:59,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:59,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:59,393 INFO L87 Difference]: Start difference. First operand has 451 states, 446 states have (on average 1.8408071748878925) internal successors, (821), 450 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:59,518 INFO L93 Difference]: Finished difference Result 708 states and 1233 transitions. [2024-11-09 23:50:59,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:59,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-09 23:50:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:59,537 INFO L225 Difference]: With dead ends: 708 [2024-11-09 23:50:59,537 INFO L226 Difference]: Without dead ends: 555 [2024-11-09 23:50:59,541 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 [2024-11-09 23:50:59,546 INFO L432 NwaCegarLoop]: 839 mSDtfsCounter, 426 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:50:59,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1371 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:50:59,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-09 23:50:59,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 549. [2024-11-09 23:50:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 545 states have (on average 1.3284403669724771) internal successors, (724), 548 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 724 transitions. [2024-11-09 23:50:59,628 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 724 transitions. Word has length 50 [2024-11-09 23:50:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:59,629 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 724 transitions. [2024-11-09 23:50:59,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 724 transitions. [2024-11-09 23:50:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 23:50:59,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:59,635 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:59,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 23:50:59,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:59,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:59,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1795929202, now seen corresponding path program 1 times [2024-11-09 23:50:59,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:59,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117182396] [2024-11-09 23:50:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:59,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:50:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:50:59,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:50:59,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117182396] [2024-11-09 23:50:59,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117182396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:50:59,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:50:59,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:50:59,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199383857] [2024-11-09 23:50:59,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:50:59,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:50:59,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:50:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:50:59,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:50:59,791 INFO L87 Difference]: Start difference. First operand 549 states and 724 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:50:59,846 INFO L93 Difference]: Finished difference Result 978 states and 1340 transitions. [2024-11-09 23:50:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:50:59,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-09 23:50:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:50:59,850 INFO L225 Difference]: With dead ends: 978 [2024-11-09 23:50:59,850 INFO L226 Difference]: Without dead ends: 728 [2024-11-09 23:50:59,853 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 [2024-11-09 23:50:59,854 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 239 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1029 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 [2024-11-09 23:50:59,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1029 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:50:59,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-11-09 23:50:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 722. [2024-11-09 23:50:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 718 states have (on average 1.3467966573816157) internal successors, (967), 721 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 967 transitions. [2024-11-09 23:50:59,898 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 967 transitions. Word has length 50 [2024-11-09 23:50:59,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:50:59,898 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 967 transitions. [2024-11-09 23:50:59,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:50:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 967 transitions. [2024-11-09 23:50:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 23:50:59,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:50:59,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:50:59,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 23:50:59,905 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:50:59,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:50:59,909 INFO L85 PathProgramCache]: Analyzing trace with hash 396936763, now seen corresponding path program 1 times [2024-11-09 23:50:59,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:50:59,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384150761] [2024-11-09 23:50:59,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:50:59,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:50:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:00,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:00,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384150761] [2024-11-09 23:51:00,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384150761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:00,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:00,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:00,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124423536] [2024-11-09 23:51:00,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:00,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:00,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:00,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:00,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:00,029 INFO L87 Difference]: Start difference. First operand 722 states and 967 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:00,112 INFO L93 Difference]: Finished difference Result 1402 states and 1926 transitions. [2024-11-09 23:51:00,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:00,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-09 23:51:00,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:00,124 INFO L225 Difference]: With dead ends: 1402 [2024-11-09 23:51:00,125 INFO L226 Difference]: Without dead ends: 1059 [2024-11-09 23:51:00,126 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 [2024-11-09 23:51:00,130 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 301 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:00,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1006 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-11-09 23:51:00,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1052. [2024-11-09 23:51:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1048 states have (on average 1.3559160305343512) internal successors, (1421), 1051 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1421 transitions. [2024-11-09 23:51:00,169 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1421 transitions. Word has length 50 [2024-11-09 23:51:00,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:00,171 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1421 transitions. [2024-11-09 23:51:00,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1421 transitions. [2024-11-09 23:51:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 23:51:00,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:00,174 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:00,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 23:51:00,175 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)] === [2024-11-09 23:51:00,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:00,176 INFO L85 PathProgramCache]: Analyzing trace with hash 787750224, now seen corresponding path program 1 times [2024-11-09 23:51:00,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:00,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401857491] [2024-11-09 23:51:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:00,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:00,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:00,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401857491] [2024-11-09 23:51:00,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401857491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:00,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:00,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:00,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224797685] [2024-11-09 23:51:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:00,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:00,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:00,327 INFO L87 Difference]: Start difference. First operand 1052 states and 1421 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:00,714 INFO L93 Difference]: Finished difference Result 2130 states and 2906 transitions. [2024-11-09 23:51:00,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:00,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-09 23:51:00,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:00,719 INFO L225 Difference]: With dead ends: 2130 [2024-11-09 23:51:00,719 INFO L226 Difference]: Without dead ends: 1283 [2024-11-09 23:51:00,721 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 [2024-11-09 23:51:00,722 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1712 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:00,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 401 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:00,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2024-11-09 23:51:00,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1272. [2024-11-09 23:51:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1268 states have (on average 1.3493690851735016) internal successors, (1711), 1271 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1711 transitions. [2024-11-09 23:51:00,748 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1711 transitions. Word has length 50 [2024-11-09 23:51:00,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:00,748 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1711 transitions. [2024-11-09 23:51:00,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1711 transitions. [2024-11-09 23:51:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 23:51:00,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:00,750 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] [2024-11-09 23:51:00,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 23:51:00,751 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)] === [2024-11-09 23:51:00,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1661403866, now seen corresponding path program 1 times [2024-11-09 23:51:00,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:00,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818980102] [2024-11-09 23:51:00,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:00,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:00,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:00,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818980102] [2024-11-09 23:51:00,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818980102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:00,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:00,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963169244] [2024-11-09 23:51:00,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:00,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:00,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:00,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:00,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:00,907 INFO L87 Difference]: Start difference. First operand 1272 states and 1711 transitions. 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) [2024-11-09 23:51:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:01,204 INFO L93 Difference]: Finished difference Result 2674 states and 3652 transitions. [2024-11-09 23:51:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:01,204 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 [2024-11-09 23:51:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:01,210 INFO L225 Difference]: With dead ends: 2674 [2024-11-09 23:51:01,210 INFO L226 Difference]: Without dead ends: 1599 [2024-11-09 23:51:01,212 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 [2024-11-09 23:51:01,214 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1499 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1499 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:01,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1499 Valid, 358 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:51:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2024-11-09 23:51:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1196. [2024-11-09 23:51:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 1192 states have (on average 1.3506711409395973) internal successors, (1610), 1195 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1610 transitions. [2024-11-09 23:51:01,248 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1610 transitions. Word has length 51 [2024-11-09 23:51:01,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:01,249 INFO L471 AbstractCegarLoop]: Abstraction has 1196 states and 1610 transitions. [2024-11-09 23:51:01,249 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) [2024-11-09 23:51:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1610 transitions. [2024-11-09 23:51:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 23:51:01,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:01,252 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] [2024-11-09 23:51:01,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 23:51:01,252 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:01,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1090581292, now seen corresponding path program 1 times [2024-11-09 23:51:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:01,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898538103] [2024-11-09 23:51:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:01,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:01,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:01,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:01,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898538103] [2024-11-09 23:51:01,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898538103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:01,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:01,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 23:51:01,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445074816] [2024-11-09 23:51:01,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:01,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:01,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:01,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:01,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:01,395 INFO L87 Difference]: Start difference. First operand 1196 states and 1610 transitions. 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) [2024-11-09 23:51:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:01,674 INFO L93 Difference]: Finished difference Result 2670 states and 3630 transitions. [2024-11-09 23:51:01,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:01,674 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 [2024-11-09 23:51:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:01,682 INFO L225 Difference]: With dead ends: 2670 [2024-11-09 23:51:01,682 INFO L226 Difference]: Without dead ends: 1581 [2024-11-09 23:51:01,684 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 [2024-11-09 23:51:01,687 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 1357 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:01,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 340 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:51:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-09 23:51:01,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1569. [2024-11-09 23:51:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1565 states have (on average 1.3533546325878594) internal successors, (2118), 1568 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2118 transitions. [2024-11-09 23:51:01,728 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2118 transitions. Word has length 51 [2024-11-09 23:51:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:01,729 INFO L471 AbstractCegarLoop]: Abstraction has 1569 states and 2118 transitions. [2024-11-09 23:51:01,729 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) [2024-11-09 23:51:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2118 transitions. [2024-11-09 23:51:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 23:51:01,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:01,731 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] [2024-11-09 23:51:01,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 23:51:01,732 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:01,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:01,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2060421883, now seen corresponding path program 1 times [2024-11-09 23:51:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:01,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119631420] [2024-11-09 23:51:01,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:01,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:01,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:01,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119631420] [2024-11-09 23:51:01,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119631420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:01,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:01,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:01,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034109699] [2024-11-09 23:51:01,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:01,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:01,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:01,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:01,920 INFO L87 Difference]: Start difference. First operand 1569 states and 2118 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:02,367 INFO L93 Difference]: Finished difference Result 3116 states and 4267 transitions. [2024-11-09 23:51:02,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:02,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-09 23:51:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:02,375 INFO L225 Difference]: With dead ends: 3116 [2024-11-09 23:51:02,376 INFO L226 Difference]: Without dead ends: 2668 [2024-11-09 23:51:02,377 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 [2024-11-09 23:51:02,378 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 1883 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:02,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1883 Valid, 626 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2668 states. [2024-11-09 23:51:02,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2668 to 1581. [2024-11-09 23:51:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1577 states have (on average 1.3532022828154724) internal successors, (2134), 1580 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:02,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2134 transitions. [2024-11-09 23:51:02,418 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2134 transitions. Word has length 52 [2024-11-09 23:51:02,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:02,419 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2134 transitions. [2024-11-09 23:51:02,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:02,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2134 transitions. [2024-11-09 23:51:02,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 23:51:02,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:02,421 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] [2024-11-09 23:51:02,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 23:51:02,421 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:02,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:02,421 INFO L85 PathProgramCache]: Analyzing trace with hash 617473650, now seen corresponding path program 1 times [2024-11-09 23:51:02,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:02,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037218677] [2024-11-09 23:51:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:02,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:02,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:02,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037218677] [2024-11-09 23:51:02,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037218677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:02,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:02,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:02,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206893842] [2024-11-09 23:51:02,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:02,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:02,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:02,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:02,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:02,590 INFO L87 Difference]: Start difference. First operand 1581 states and 2134 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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) [2024-11-09 23:51:02,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:02,950 INFO L93 Difference]: Finished difference Result 3118 states and 4258 transitions. [2024-11-09 23:51:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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 [2024-11-09 23:51:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:02,959 INFO L225 Difference]: With dead ends: 3118 [2024-11-09 23:51:02,959 INFO L226 Difference]: Without dead ends: 2369 [2024-11-09 23:51:02,961 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 [2024-11-09 23:51:02,962 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 1622 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:02,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 584 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-09 23:51:02,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 1595. [2024-11-09 23:51:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1591 states have (on average 1.3526084223758643) internal successors, (2152), 1594 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2152 transitions. [2024-11-09 23:51:03,005 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2152 transitions. Word has length 53 [2024-11-09 23:51:03,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:03,006 INFO L471 AbstractCegarLoop]: Abstraction has 1595 states and 2152 transitions. [2024-11-09 23:51:03,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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) [2024-11-09 23:51:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2152 transitions. [2024-11-09 23:51:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 23:51:03,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:03,008 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] [2024-11-09 23:51:03,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 23:51:03,008 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:03,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:03,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2096833253, now seen corresponding path program 1 times [2024-11-09 23:51:03,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:03,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885438954] [2024-11-09 23:51:03,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:03,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:03,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885438954] [2024-11-09 23:51:03,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885438954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:03,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:03,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:03,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930412270] [2024-11-09 23:51:03,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:03,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:03,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:03,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:03,143 INFO L87 Difference]: Start difference. First operand 1595 states and 2152 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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) [2024-11-09 23:51:03,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:03,572 INFO L93 Difference]: Finished difference Result 3417 states and 4698 transitions. [2024-11-09 23:51:03,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:03,573 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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 [2024-11-09 23:51:03,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:03,581 INFO L225 Difference]: With dead ends: 3417 [2024-11-09 23:51:03,581 INFO L226 Difference]: Without dead ends: 2843 [2024-11-09 23:51:03,583 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 [2024-11-09 23:51:03,583 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 1750 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:03,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1750 Valid, 606 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:03,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2024-11-09 23:51:03,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 1617. [2024-11-09 23:51:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1613 states have (on average 1.3533787972721636) internal successors, (2183), 1616 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2183 transitions. [2024-11-09 23:51:03,633 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2183 transitions. Word has length 53 [2024-11-09 23:51:03,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:03,633 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2183 transitions. [2024-11-09 23:51:03,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 6 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) [2024-11-09 23:51:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2183 transitions. [2024-11-09 23:51:03,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:03,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:03,635 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] [2024-11-09 23:51:03,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 23:51:03,635 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)] === [2024-11-09 23:51:03,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:03,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1498614746, now seen corresponding path program 1 times [2024-11-09 23:51:03,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:03,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767833555] [2024-11-09 23:51:03,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:03,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:03,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:03,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767833555] [2024-11-09 23:51:03,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767833555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:03,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:03,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 23:51:03,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108124343] [2024-11-09 23:51:03,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:03,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 23:51:03,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:03,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 23:51:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 23:51:03,957 INFO L87 Difference]: Start difference. First operand 1617 states and 2183 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 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) [2024-11-09 23:51:04,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:04,460 INFO L93 Difference]: Finished difference Result 3910 states and 5385 transitions. [2024-11-09 23:51:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:51:04,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 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 [2024-11-09 23:51:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:04,470 INFO L225 Difference]: With dead ends: 3910 [2024-11-09 23:51:04,470 INFO L226 Difference]: Without dead ends: 2815 [2024-11-09 23:51:04,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:51:04,473 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1307 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:04,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 945 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:04,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2024-11-09 23:51:04,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 1617. [2024-11-09 23:51:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1613 states have (on average 1.3502789832610043) internal successors, (2178), 1616 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2178 transitions. [2024-11-09 23:51:04,562 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2178 transitions. Word has length 54 [2024-11-09 23:51:04,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:04,562 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2178 transitions. [2024-11-09 23:51:04,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 7 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) [2024-11-09 23:51:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2178 transitions. [2024-11-09 23:51:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:04,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:04,564 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] [2024-11-09 23:51:04,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 23:51:04,564 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)] === [2024-11-09 23:51:04,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:04,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1397157840, now seen corresponding path program 1 times [2024-11-09 23:51:04,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:04,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200611560] [2024-11-09 23:51:04,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:04,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:04,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200611560] [2024-11-09 23:51:04,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200611560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:04,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:04,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:04,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087368112] [2024-11-09 23:51:04,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:04,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:04,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:04,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:04,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:04,829 INFO L87 Difference]: Start difference. First operand 1617 states and 2178 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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) [2024-11-09 23:51:05,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:05,408 INFO L93 Difference]: Finished difference Result 3772 states and 5177 transitions. [2024-11-09 23:51:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:51:05,409 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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 [2024-11-09 23:51:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:05,417 INFO L225 Difference]: With dead ends: 3772 [2024-11-09 23:51:05,417 INFO L226 Difference]: Without dead ends: 2805 [2024-11-09 23:51:05,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:51:05,420 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 1315 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 1280 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:05,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 1280 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:51:05,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2024-11-09 23:51:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 1588. [2024-11-09 23:51:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1584 states have (on average 1.3491161616161615) internal successors, (2137), 1587 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2137 transitions. [2024-11-09 23:51:05,458 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2137 transitions. Word has length 54 [2024-11-09 23:51:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:05,459 INFO L471 AbstractCegarLoop]: Abstraction has 1588 states and 2137 transitions. [2024-11-09 23:51:05,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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) [2024-11-09 23:51:05,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2137 transitions. [2024-11-09 23:51:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 23:51:05,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:05,461 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] [2024-11-09 23:51:05,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 23:51:05,461 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)] === [2024-11-09 23:51:05,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:05,462 INFO L85 PathProgramCache]: Analyzing trace with hash -279537478, now seen corresponding path program 1 times [2024-11-09 23:51:05,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:05,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381767838] [2024-11-09 23:51:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:05,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:05,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:05,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381767838] [2024-11-09 23:51:05,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381767838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:05,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:05,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:05,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324892493] [2024-11-09 23:51:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:05,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:05,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:05,774 INFO L87 Difference]: Start difference. First operand 1588 states and 2137 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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) [2024-11-09 23:51:06,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:06,368 INFO L93 Difference]: Finished difference Result 2875 states and 3914 transitions. [2024-11-09 23:51:06,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:51:06,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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 [2024-11-09 23:51:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:06,377 INFO L225 Difference]: With dead ends: 2875 [2024-11-09 23:51:06,378 INFO L226 Difference]: Without dead ends: 2870 [2024-11-09 23:51:06,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-09 23:51:06,379 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 1716 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:06,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 1155 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 23:51:06,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2024-11-09 23:51:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 1588. [2024-11-09 23:51:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1588 states, 1584 states have (on average 1.3478535353535352) internal successors, (2135), 1587 states have internal predecessors, (2135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:06,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 2135 transitions. [2024-11-09 23:51:06,421 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 2135 transitions. Word has length 54 [2024-11-09 23:51:06,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:06,422 INFO L471 AbstractCegarLoop]: Abstraction has 1588 states and 2135 transitions. [2024-11-09 23:51:06,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 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) [2024-11-09 23:51:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2135 transitions. [2024-11-09 23:51:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:06,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:06,424 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] [2024-11-09 23:51:06,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 23:51:06,424 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)] === [2024-11-09 23:51:06,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:06,425 INFO L85 PathProgramCache]: Analyzing trace with hash -153029297, now seen corresponding path program 1 times [2024-11-09 23:51:06,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:06,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83848648] [2024-11-09 23:51:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:06,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:06,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83848648] [2024-11-09 23:51:06,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83848648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:06,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:06,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:06,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526003591] [2024-11-09 23:51:06,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:06,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:06,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:06,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:06,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:06,495 INFO L87 Difference]: Start difference. First operand 1588 states and 2135 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:06,526 INFO L93 Difference]: Finished difference Result 2131 states and 2860 transitions. [2024-11-09 23:51:06,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:06,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 [2024-11-09 23:51:06,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:06,531 INFO L225 Difference]: With dead ends: 2131 [2024-11-09 23:51:06,532 INFO L226 Difference]: Without dead ends: 1557 [2024-11-09 23:51:06,533 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 [2024-11-09 23:51:06,535 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 262 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 684 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 [2024-11-09 23:51:06,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 684 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:06,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-09 23:51:06,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1555. [2024-11-09 23:51:06,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1551 states have (on average 1.3191489361702127) internal successors, (2046), 1554 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2046 transitions. [2024-11-09 23:51:06,562 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2046 transitions. Word has length 55 [2024-11-09 23:51:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:06,563 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2046 transitions. [2024-11-09 23:51:06,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2046 transitions. [2024-11-09 23:51:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:06,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:06,564 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] [2024-11-09 23:51:06,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 23:51:06,565 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)] === [2024-11-09 23:51:06,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:06,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1347326730, now seen corresponding path program 1 times [2024-11-09 23:51:06,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:06,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652647639] [2024-11-09 23:51:06,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:06,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652647639] [2024-11-09 23:51:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652647639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777470584] [2024-11-09 23:51:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:06,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:06,641 INFO L87 Difference]: Start difference. First operand 1555 states and 2046 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:06,669 INFO L93 Difference]: Finished difference Result 2237 states and 2968 transitions. [2024-11-09 23:51:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:06,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 [2024-11-09 23:51:06,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:06,678 INFO L225 Difference]: With dead ends: 2237 [2024-11-09 23:51:06,678 INFO L226 Difference]: Without dead ends: 1561 [2024-11-09 23:51:06,679 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 [2024-11-09 23:51:06,680 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 227 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 757 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 [2024-11-09 23:51:06,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 757 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:06,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2024-11-09 23:51:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1555. [2024-11-09 23:51:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1551 states have (on average 1.3075435203094778) internal successors, (2028), 1554 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2028 transitions. [2024-11-09 23:51:06,701 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2028 transitions. Word has length 55 [2024-11-09 23:51:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:06,702 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2028 transitions. [2024-11-09 23:51:06,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2028 transitions. [2024-11-09 23:51:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 23:51:06,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:06,704 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] [2024-11-09 23:51:06,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 23:51:06,704 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)] === [2024-11-09 23:51:06,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:06,705 INFO L85 PathProgramCache]: Analyzing trace with hash -35031281, now seen corresponding path program 1 times [2024-11-09 23:51:06,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:06,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26330947] [2024-11-09 23:51:06,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26330947] [2024-11-09 23:51:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26330947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:06,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:06,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:06,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869626140] [2024-11-09 23:51:06,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:06,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:06,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:06,790 INFO L87 Difference]: Start difference. First operand 1555 states and 2028 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:06,832 INFO L93 Difference]: Finished difference Result 2200 states and 2890 transitions. [2024-11-09 23:51:06,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:06,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 [2024-11-09 23:51:06,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:06,840 INFO L225 Difference]: With dead ends: 2200 [2024-11-09 23:51:06,840 INFO L226 Difference]: Without dead ends: 1562 [2024-11-09 23:51:06,843 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 [2024-11-09 23:51:06,844 INFO L432 NwaCegarLoop]: 478 mSDtfsCounter, 211 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 756 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 [2024-11-09 23:51:06,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 756 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:06,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2024-11-09 23:51:06,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1555. [2024-11-09 23:51:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1551 states have (on average 1.2927143778207608) internal successors, (2005), 1554 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2005 transitions. [2024-11-09 23:51:06,864 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2005 transitions. Word has length 55 [2024-11-09 23:51:06,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:06,864 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2005 transitions. [2024-11-09 23:51:06,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2024-11-09 23:51:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2005 transitions. [2024-11-09 23:51:06,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:06,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:06,866 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] [2024-11-09 23:51:06,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 23:51:06,867 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:06,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:06,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1256184891, now seen corresponding path program 1 times [2024-11-09 23:51:06,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:06,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398396827] [2024-11-09 23:51:06,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:06,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:06,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:06,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398396827] [2024-11-09 23:51:06,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398396827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:06,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:06,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:06,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403958606] [2024-11-09 23:51:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:06,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:06,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:06,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:06,925 INFO L87 Difference]: Start difference. First operand 1555 states and 2005 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) [2024-11-09 23:51:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:07,005 INFO L93 Difference]: Finished difference Result 2734 states and 3555 transitions. [2024-11-09 23:51:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:07,006 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 [2024-11-09 23:51:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:07,009 INFO L225 Difference]: With dead ends: 2734 [2024-11-09 23:51:07,009 INFO L226 Difference]: Without dead ends: 1854 [2024-11-09 23:51:07,014 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 [2024-11-09 23:51:07,014 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 285 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:07,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 431 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:07,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1854 states. [2024-11-09 23:51:07,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1854 to 1445. [2024-11-09 23:51:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1441 states have (on average 1.2956280360860513) internal successors, (1867), 1444 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1867 transitions. [2024-11-09 23:51:07,034 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1867 transitions. Word has length 57 [2024-11-09 23:51:07,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:07,034 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 1867 transitions. [2024-11-09 23:51:07,035 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) [2024-11-09 23:51:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1867 transitions. [2024-11-09 23:51:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:07,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:07,038 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] [2024-11-09 23:51:07,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 23:51:07,038 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)] === [2024-11-09 23:51:07,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:07,039 INFO L85 PathProgramCache]: Analyzing trace with hash 485950863, now seen corresponding path program 1 times [2024-11-09 23:51:07,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:07,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428802217] [2024-11-09 23:51:07,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:07,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:08,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:08,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428802217] [2024-11-09 23:51:08,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428802217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:08,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:08,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-09 23:51:08,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019521873] [2024-11-09 23:51:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:08,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 23:51:08,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:08,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 23:51:08,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:51:08,086 INFO L87 Difference]: Start difference. First operand 1445 states and 1867 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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) [2024-11-09 23:51:09,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:09,959 INFO L93 Difference]: Finished difference Result 3005 states and 3922 transitions. [2024-11-09 23:51:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:51:09,960 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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 [2024-11-09 23:51:09,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:09,964 INFO L225 Difference]: With dead ends: 3005 [2024-11-09 23:51:09,965 INFO L226 Difference]: Without dead ends: 3001 [2024-11-09 23:51:09,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 23:51:09,966 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 1742 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 2021 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:09,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 3868 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2021 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 23:51:09,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3001 states. [2024-11-09 23:51:09,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3001 to 1457. [2024-11-09 23:51:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 1453 states have (on average 1.296627666896077) internal successors, (1884), 1456 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 1884 transitions. [2024-11-09 23:51:09,986 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 1884 transitions. Word has length 57 [2024-11-09 23:51:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:09,986 INFO L471 AbstractCegarLoop]: Abstraction has 1457 states and 1884 transitions. [2024-11-09 23:51:09,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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) [2024-11-09 23:51:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1884 transitions. [2024-11-09 23:51:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:09,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:09,988 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] [2024-11-09 23:51:09,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 23:51:09,988 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)] === [2024-11-09 23:51:09,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:09,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1307067126, now seen corresponding path program 1 times [2024-11-09 23:51:09,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:09,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390612427] [2024-11-09 23:51:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:09,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:10,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:10,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390612427] [2024-11-09 23:51:10,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390612427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:10,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:10,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-09 23:51:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132530460] [2024-11-09 23:51:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:10,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-09 23:51:10,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-09 23:51:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:51:10,888 INFO L87 Difference]: Start difference. First operand 1457 states and 1884 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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) [2024-11-09 23:51:12,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:12,572 INFO L93 Difference]: Finished difference Result 3028 states and 3964 transitions. [2024-11-09 23:51:12,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-09 23:51:12,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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 [2024-11-09 23:51:12,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:12,577 INFO L225 Difference]: With dead ends: 3028 [2024-11-09 23:51:12,577 INFO L226 Difference]: Without dead ends: 3024 [2024-11-09 23:51:12,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=231, Invalid=891, Unknown=0, NotChecked=0, Total=1122 [2024-11-09 23:51:12,579 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 2640 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:12,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 3527 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 23:51:12,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2024-11-09 23:51:12,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 1464. [2024-11-09 23:51:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1460 states have (on average 1.2965753424657533) internal successors, (1893), 1463 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1893 transitions. [2024-11-09 23:51:12,603 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1893 transitions. Word has length 57 [2024-11-09 23:51:12,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:12,603 INFO L471 AbstractCegarLoop]: Abstraction has 1464 states and 1893 transitions. [2024-11-09 23:51:12,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 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) [2024-11-09 23:51:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1893 transitions. [2024-11-09 23:51:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:12,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:12,605 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] [2024-11-09 23:51:12,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 23:51:12,606 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:12,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1906342153, now seen corresponding path program 1 times [2024-11-09 23:51:12,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:12,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825642452] [2024-11-09 23:51:12,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:12,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:13,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:13,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825642452] [2024-11-09 23:51:13,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825642452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:13,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:13,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:51:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505172507] [2024-11-09 23:51:13,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:13,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:51:13,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:51:13,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:13,152 INFO L87 Difference]: Start difference. First operand 1464 states and 1893 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 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) [2024-11-09 23:51:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:13,742 INFO L93 Difference]: Finished difference Result 2383 states and 3115 transitions. [2024-11-09 23:51:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:51:13,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 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 [2024-11-09 23:51:13,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:13,746 INFO L225 Difference]: With dead ends: 2383 [2024-11-09 23:51:13,746 INFO L226 Difference]: Without dead ends: 2318 [2024-11-09 23:51:13,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-09 23:51:13,747 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 1235 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1235 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:13,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1235 Valid, 2086 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2024-11-09 23:51:13,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 1452. [2024-11-09 23:51:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1449 states have (on average 1.2967563837129055) internal successors, (1879), 1451 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1879 transitions. [2024-11-09 23:51:13,771 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1879 transitions. Word has length 57 [2024-11-09 23:51:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:13,771 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1879 transitions. [2024-11-09 23:51:13,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 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) [2024-11-09 23:51:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1879 transitions. [2024-11-09 23:51:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 23:51:13,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:13,773 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] [2024-11-09 23:51:13,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 23:51:13,773 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:13,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:13,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2133068903, now seen corresponding path program 1 times [2024-11-09 23:51:13,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:13,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121466046] [2024-11-09 23:51:13,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:13,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:13,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:13,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121466046] [2024-11-09 23:51:13,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121466046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:13,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:13,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:13,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910684405] [2024-11-09 23:51:13,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:13,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:13,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:13,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:13,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:13,825 INFO L87 Difference]: Start difference. First operand 1452 states and 1879 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) [2024-11-09 23:51:13,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:13,872 INFO L93 Difference]: Finished difference Result 2588 states and 3380 transitions. [2024-11-09 23:51:13,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:13,872 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 [2024-11-09 23:51:13,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:13,874 INFO L225 Difference]: With dead ends: 2588 [2024-11-09 23:51:13,874 INFO L226 Difference]: Without dead ends: 1740 [2024-11-09 23:51:13,875 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 [2024-11-09 23:51:13,876 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 245 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:13,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 422 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:13,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-11-09 23:51:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1384. [2024-11-09 23:51:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1384 states, 1381 states have (on average 1.2961622013034033) internal successors, (1790), 1383 states have internal predecessors, (1790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1790 transitions. [2024-11-09 23:51:13,898 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1790 transitions. Word has length 57 [2024-11-09 23:51:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:13,898 INFO L471 AbstractCegarLoop]: Abstraction has 1384 states and 1790 transitions. [2024-11-09 23:51:13,898 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) [2024-11-09 23:51:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1790 transitions. [2024-11-09 23:51:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:13,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:13,900 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] [2024-11-09 23:51:13,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 23:51:13,900 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:13,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 683388025, now seen corresponding path program 1 times [2024-11-09 23:51:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:13,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512922761] [2024-11-09 23:51:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:13,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:14,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:14,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512922761] [2024-11-09 23:51:14,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512922761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:14,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:14,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:51:14,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416666639] [2024-11-09 23:51:14,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:14,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:51:14,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:14,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:51:14,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:14,353 INFO L87 Difference]: Start difference. First operand 1384 states and 1790 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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) [2024-11-09 23:51:14,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:14,847 INFO L93 Difference]: Finished difference Result 1973 states and 2576 transitions. [2024-11-09 23:51:14,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:51:14,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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 [2024-11-09 23:51:14,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:14,850 INFO L225 Difference]: With dead ends: 1973 [2024-11-09 23:51:14,850 INFO L226 Difference]: Without dead ends: 1969 [2024-11-09 23:51:14,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:51:14,852 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 1386 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1386 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:14,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1386 Valid, 1507 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:14,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2024-11-09 23:51:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1373. [2024-11-09 23:51:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 1371 states have (on average 1.2961342086068564) internal successors, (1777), 1372 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1777 transitions. [2024-11-09 23:51:14,868 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1777 transitions. Word has length 58 [2024-11-09 23:51:14,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:14,869 INFO L471 AbstractCegarLoop]: Abstraction has 1373 states and 1777 transitions. [2024-11-09 23:51:14,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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) [2024-11-09 23:51:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1777 transitions. [2024-11-09 23:51:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 23:51:14,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:14,870 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] [2024-11-09 23:51:14,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 23:51:14,871 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:14,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:14,871 INFO L85 PathProgramCache]: Analyzing trace with hash -285697294, now seen corresponding path program 1 times [2024-11-09 23:51:14,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:14,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850054509] [2024-11-09 23:51:14,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:15,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:15,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850054509] [2024-11-09 23:51:15,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850054509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:15,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:15,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 23:51:15,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306541022] [2024-11-09 23:51:15,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:15,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 23:51:15,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:15,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 23:51:15,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-09 23:51:15,340 INFO L87 Difference]: Start difference. First operand 1373 states and 1777 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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) [2024-11-09 23:51:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:15,899 INFO L93 Difference]: Finished difference Result 2408 states and 3155 transitions. [2024-11-09 23:51:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 23:51:15,900 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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 [2024-11-09 23:51:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:15,903 INFO L225 Difference]: With dead ends: 2408 [2024-11-09 23:51:15,904 INFO L226 Difference]: Without dead ends: 2184 [2024-11-09 23:51:15,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-09 23:51:15,905 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 1266 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:15,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 1773 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:51:15,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2024-11-09 23:51:15,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1336. [2024-11-09 23:51:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 1335 states have (on average 1.2958801498127341) internal successors, (1730), 1335 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1730 transitions. [2024-11-09 23:51:15,924 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1730 transitions. Word has length 58 [2024-11-09 23:51:15,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:15,924 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1730 transitions. [2024-11-09 23:51:15,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 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) [2024-11-09 23:51:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1730 transitions. [2024-11-09 23:51:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 23:51:15,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:15,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:15,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-09 23:51:15,927 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)] === [2024-11-09 23:51:15,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:15,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1658801971, now seen corresponding path program 1 times [2024-11-09 23:51:15,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:15,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424844562] [2024-11-09 23:51:15,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:15,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:16,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:16,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424844562] [2024-11-09 23:51:16,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424844562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:16,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:16,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:16,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009300321] [2024-11-09 23:51:16,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:16,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:16,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:16,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:16,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:16,034 INFO L87 Difference]: Start difference. First operand 1336 states and 1730 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:16,114 INFO L93 Difference]: Finished difference Result 3158 states and 4209 transitions. [2024-11-09 23:51:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:16,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-09 23:51:16,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:16,117 INFO L225 Difference]: With dead ends: 3158 [2024-11-09 23:51:16,117 INFO L226 Difference]: Without dead ends: 2409 [2024-11-09 23:51:16,118 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 [2024-11-09 23:51:16,119 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 897 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:16,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 724 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2409 states. [2024-11-09 23:51:16,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2409 to 2036. [2024-11-09 23:51:16,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 2035 states have (on average 1.2982800982800984) internal successors, (2642), 2035 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2642 transitions. [2024-11-09 23:51:16,144 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2642 transitions. Word has length 66 [2024-11-09 23:51:16,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:16,144 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2642 transitions. [2024-11-09 23:51:16,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2642 transitions. [2024-11-09 23:51:16,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 23:51:16,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:16,147 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] [2024-11-09 23:51:16,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 23:51:16,147 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)] === [2024-11-09 23:51:16,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:16,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1622569427, now seen corresponding path program 1 times [2024-11-09 23:51:16,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:16,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30719487] [2024-11-09 23:51:16,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:16,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:16,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:16,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:16,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30719487] [2024-11-09 23:51:16,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30719487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:16,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:16,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:16,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825433805] [2024-11-09 23:51:16,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:16,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:16,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:16,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:16,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:16,265 INFO L87 Difference]: Start difference. First operand 2036 states and 2642 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) [2024-11-09 23:51:16,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:16,339 INFO L93 Difference]: Finished difference Result 2042 states and 2645 transitions. [2024-11-09 23:51:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:16,339 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 [2024-11-09 23:51:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:16,342 INFO L225 Difference]: With dead ends: 2042 [2024-11-09 23:51:16,342 INFO L226 Difference]: Without dead ends: 1827 [2024-11-09 23:51:16,343 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 [2024-11-09 23:51:16,343 INFO L432 NwaCegarLoop]: 368 mSDtfsCounter, 448 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:16,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 688 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-09 23:51:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1823. [2024-11-09 23:51:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1823 states, 1822 states have (on average 1.3018660812294183) internal successors, (2372), 1822 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2372 transitions. [2024-11-09 23:51:16,369 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2372 transitions. Word has length 68 [2024-11-09 23:51:16,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:16,369 INFO L471 AbstractCegarLoop]: Abstraction has 1823 states and 2372 transitions. [2024-11-09 23:51:16,369 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) [2024-11-09 23:51:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2372 transitions. [2024-11-09 23:51:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 23:51:16,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:16,372 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:16,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 23:51:16,373 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)] === [2024-11-09 23:51:16,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:16,373 INFO L85 PathProgramCache]: Analyzing trace with hash 233858129, now seen corresponding path program 1 times [2024-11-09 23:51:16,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:16,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769995422] [2024-11-09 23:51:16,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:16,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:16,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:16,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769995422] [2024-11-09 23:51:16,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769995422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:16,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:16,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:16,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661000128] [2024-11-09 23:51:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:16,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:16,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:16,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:16,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:16,484 INFO L87 Difference]: Start difference. First operand 1823 states and 2372 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:16,517 INFO L93 Difference]: Finished difference Result 4143 states and 5490 transitions. [2024-11-09 23:51:16,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:16,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-09 23:51:16,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:16,521 INFO L225 Difference]: With dead ends: 4143 [2024-11-09 23:51:16,522 INFO L226 Difference]: Without dead ends: 2927 [2024-11-09 23:51:16,523 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 [2024-11-09 23:51:16,524 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 121 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:16,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 505 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:16,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2927 states. [2024-11-09 23:51:16,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2927 to 2773. [2024-11-09 23:51:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 2772 states have (on average 1.3102453102453102) internal successors, (3632), 2772 states have internal predecessors, (3632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3632 transitions. [2024-11-09 23:51:16,553 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3632 transitions. Word has length 69 [2024-11-09 23:51:16,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:16,553 INFO L471 AbstractCegarLoop]: Abstraction has 2773 states and 3632 transitions. [2024-11-09 23:51:16,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3632 transitions. [2024-11-09 23:51:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:51:16,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:16,555 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] [2024-11-09 23:51:16,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-09 23:51:16,556 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)] === [2024-11-09 23:51:16,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:16,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1517479173, now seen corresponding path program 1 times [2024-11-09 23:51:16,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:16,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152451472] [2024-11-09 23:51:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:16,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:16,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152451472] [2024-11-09 23:51:16,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152451472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:16,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:16,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:16,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189146317] [2024-11-09 23:51:16,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:16,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:16,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:16,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:16,652 INFO L87 Difference]: Start difference. First operand 2773 states and 3632 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) [2024-11-09 23:51:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:16,692 INFO L93 Difference]: Finished difference Result 6849 states and 9050 transitions. [2024-11-09 23:51:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:16,693 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 [2024-11-09 23:51:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:16,699 INFO L225 Difference]: With dead ends: 6849 [2024-11-09 23:51:16,699 INFO L226 Difference]: Without dead ends: 4549 [2024-11-09 23:51:16,703 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 [2024-11-09 23:51:16,704 INFO L432 NwaCegarLoop]: 315 mSDtfsCounter, 128 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:16,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 487 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:16,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2024-11-09 23:51:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4291. [2024-11-09 23:51:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4291 states, 4290 states have (on average 1.3058275058275057) internal successors, (5602), 4290 states have internal predecessors, (5602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 4291 states and 5602 transitions. [2024-11-09 23:51:16,759 INFO L78 Accepts]: Start accepts. Automaton has 4291 states and 5602 transitions. Word has length 71 [2024-11-09 23:51:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:16,759 INFO L471 AbstractCegarLoop]: Abstraction has 4291 states and 5602 transitions. [2024-11-09 23:51:16,760 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) [2024-11-09 23:51:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4291 states and 5602 transitions. [2024-11-09 23:51:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 23:51:16,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:16,762 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] [2024-11-09 23:51:16,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 23:51:16,762 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)] === [2024-11-09 23:51:16,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:16,762 INFO L85 PathProgramCache]: Analyzing trace with hash 862240501, now seen corresponding path program 1 times [2024-11-09 23:51:16,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:16,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433731284] [2024-11-09 23:51:16,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:16,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433731284] [2024-11-09 23:51:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433731284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:16,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:16,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435202725] [2024-11-09 23:51:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:16,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:16,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:16,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:16,857 INFO L87 Difference]: Start difference. First operand 4291 states and 5602 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) [2024-11-09 23:51:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:16,910 INFO L93 Difference]: Finished difference Result 11439 states and 15044 transitions. [2024-11-09 23:51:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:16,911 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 [2024-11-09 23:51:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:16,923 INFO L225 Difference]: With dead ends: 11439 [2024-11-09 23:51:16,923 INFO L226 Difference]: Without dead ends: 7641 [2024-11-09 23:51:16,929 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 [2024-11-09 23:51:16,930 INFO L432 NwaCegarLoop]: 292 mSDtfsCounter, 88 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:16,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 490 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7641 states. [2024-11-09 23:51:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7031. [2024-11-09 23:51:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7031 states, 7030 states have (on average 1.298719772403983) internal successors, (9130), 7030 states have internal predecessors, (9130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:17,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7031 states to 7031 states and 9130 transitions. [2024-11-09 23:51:17,069 INFO L78 Accepts]: Start accepts. Automaton has 7031 states and 9130 transitions. Word has length 71 [2024-11-09 23:51:17,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:17,069 INFO L471 AbstractCegarLoop]: Abstraction has 7031 states and 9130 transitions. [2024-11-09 23:51:17,070 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) [2024-11-09 23:51:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 7031 states and 9130 transitions. [2024-11-09 23:51:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 23:51:17,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:17,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:17,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-09 23:51:17,072 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)] === [2024-11-09 23:51:17,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash -837256491, now seen corresponding path program 1 times [2024-11-09 23:51:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:17,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064495621] [2024-11-09 23:51:17,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:17,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:17,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064495621] [2024-11-09 23:51:17,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064495621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:17,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:17,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:17,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912094499] [2024-11-09 23:51:17,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:17,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 23:51:17,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:17,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 23:51:17,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 23:51:17,298 INFO L87 Difference]: Start difference. First operand 7031 states and 9130 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:17,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:17,352 INFO L93 Difference]: Finished difference Result 7929 states and 10251 transitions. [2024-11-09 23:51:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:51:17,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-09 23:51:17,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:17,364 INFO L225 Difference]: With dead ends: 7929 [2024-11-09 23:51:17,364 INFO L226 Difference]: Without dead ends: 7927 [2024-11-09 23:51:17,367 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 [2024-11-09 23:51:17,367 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:17,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1191 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7927 states. [2024-11-09 23:51:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7927 to 7927. [2024-11-09 23:51:17,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7927 states, 7926 states have (on average 1.2649507948523846) internal successors, (10026), 7926 states have internal predecessors, (10026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7927 states to 7927 states and 10026 transitions. [2024-11-09 23:51:17,453 INFO L78 Accepts]: Start accepts. Automaton has 7927 states and 10026 transitions. Word has length 73 [2024-11-09 23:51:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:17,454 INFO L471 AbstractCegarLoop]: Abstraction has 7927 states and 10026 transitions. [2024-11-09 23:51:17,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7927 states and 10026 transitions. [2024-11-09 23:51:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:51:17,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:17,456 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] [2024-11-09 23:51:17,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-09 23:51:17,458 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)] === [2024-11-09 23:51:17,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1224336807, now seen corresponding path program 1 times [2024-11-09 23:51:17,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:17,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421049624] [2024-11-09 23:51:17,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:17,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:17,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:17,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421049624] [2024-11-09 23:51:17,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421049624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:17,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:17,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:17,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368606538] [2024-11-09 23:51:17,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:17,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:17,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:17,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:17,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:17,558 INFO L87 Difference]: Start difference. First operand 7927 states and 10026 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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) [2024-11-09 23:51:17,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:17,646 INFO L93 Difference]: Finished difference Result 11547 states and 14744 transitions. [2024-11-09 23:51:17,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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 [2024-11-09 23:51:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:17,663 INFO L225 Difference]: With dead ends: 11547 [2024-11-09 23:51:17,663 INFO L226 Difference]: Without dead ends: 9925 [2024-11-09 23:51:17,670 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 [2024-11-09 23:51:17,670 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 538 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:17,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 850 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:17,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9925 states. [2024-11-09 23:51:17,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9925 to 9067. [2024-11-09 23:51:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9067 states, 9066 states have (on average 1.2645047429958085) internal successors, (11464), 9066 states have internal predecessors, (11464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9067 states to 9067 states and 11464 transitions. [2024-11-09 23:51:17,821 INFO L78 Accepts]: Start accepts. Automaton has 9067 states and 11464 transitions. Word has length 74 [2024-11-09 23:51:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:17,821 INFO L471 AbstractCegarLoop]: Abstraction has 9067 states and 11464 transitions. [2024-11-09 23:51:17,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 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) [2024-11-09 23:51:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 9067 states and 11464 transitions. [2024-11-09 23:51:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 23:51:17,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:17,824 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] [2024-11-09 23:51:17,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-09 23:51:17,824 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)] === [2024-11-09 23:51:17,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:17,825 INFO L85 PathProgramCache]: Analyzing trace with hash 989009640, now seen corresponding path program 1 times [2024-11-09 23:51:17,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:17,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733938617] [2024-11-09 23:51:17,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:17,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733938617] [2024-11-09 23:51:17,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733938617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:17,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:17,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:17,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763164410] [2024-11-09 23:51:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:17,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:17,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:17,880 INFO L87 Difference]: Start difference. First operand 9067 states and 11464 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) [2024-11-09 23:51:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:17,942 INFO L93 Difference]: Finished difference Result 21701 states and 27406 transitions. [2024-11-09 23:51:17,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:17,942 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 [2024-11-09 23:51:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:17,960 INFO L225 Difference]: With dead ends: 21701 [2024-11-09 23:51:17,960 INFO L226 Difference]: Without dead ends: 13147 [2024-11-09 23:51:17,971 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 [2024-11-09 23:51:17,972 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 153 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:17,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 402 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13147 states. [2024-11-09 23:51:18,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13147 to 13145. [2024-11-09 23:51:18,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13145 states, 13144 states have (on average 1.2468046256847232) internal successors, (16388), 13144 states have internal predecessors, (16388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13145 states to 13145 states and 16388 transitions. [2024-11-09 23:51:18,127 INFO L78 Accepts]: Start accepts. Automaton has 13145 states and 16388 transitions. Word has length 74 [2024-11-09 23:51:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:18,128 INFO L471 AbstractCegarLoop]: Abstraction has 13145 states and 16388 transitions. [2024-11-09 23:51:18,128 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) [2024-11-09 23:51:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 13145 states and 16388 transitions. [2024-11-09 23:51:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 23:51:18,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:18,130 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] [2024-11-09 23:51:18,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 23:51:18,130 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)] === [2024-11-09 23:51:18,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:18,131 INFO L85 PathProgramCache]: Analyzing trace with hash 2128446985, now seen corresponding path program 1 times [2024-11-09 23:51:18,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:18,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021339171] [2024-11-09 23:51:18,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:18,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:18,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:18,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021339171] [2024-11-09 23:51:18,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021339171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:18,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:18,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:18,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118929980] [2024-11-09 23:51:18,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:18,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:18,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:18,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:18,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:18,232 INFO L87 Difference]: Start difference. First operand 13145 states and 16388 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) [2024-11-09 23:51:18,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:18,331 INFO L93 Difference]: Finished difference Result 19513 states and 24492 transitions. [2024-11-09 23:51:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:18,332 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 [2024-11-09 23:51:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:18,352 INFO L225 Difference]: With dead ends: 19513 [2024-11-09 23:51:18,352 INFO L226 Difference]: Without dead ends: 15695 [2024-11-09 23:51:18,361 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 [2024-11-09 23:51:18,362 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 600 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:18,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 723 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:18,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15695 states. [2024-11-09 23:51:18,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15695 to 15229. [2024-11-09 23:51:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15229 states, 15228 states have (on average 1.2432361439453639) internal successors, (18932), 15228 states have internal predecessors, (18932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15229 states to 15229 states and 18932 transitions. [2024-11-09 23:51:18,585 INFO L78 Accepts]: Start accepts. Automaton has 15229 states and 18932 transitions. Word has length 79 [2024-11-09 23:51:18,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:18,585 INFO L471 AbstractCegarLoop]: Abstraction has 15229 states and 18932 transitions. [2024-11-09 23:51:18,585 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) [2024-11-09 23:51:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 15229 states and 18932 transitions. [2024-11-09 23:51:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 23:51:18,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:18,591 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:18,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 23:51:18,592 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)] === [2024-11-09 23:51:18,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:18,592 INFO L85 PathProgramCache]: Analyzing trace with hash -12059034, now seen corresponding path program 1 times [2024-11-09 23:51:18,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:18,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115126150] [2024-11-09 23:51:18,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 23:51:18,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:18,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115126150] [2024-11-09 23:51:18,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115126150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:18,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:18,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:51:18,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854454250] [2024-11-09 23:51:18,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:18,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:51:18,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:18,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:51:18,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:51:18,825 INFO L87 Difference]: Start difference. First operand 15229 states and 18932 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:19,285 INFO L93 Difference]: Finished difference Result 29553 states and 36765 transitions. [2024-11-09 23:51:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 23:51:19,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-09 23:51:19,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:19,312 INFO L225 Difference]: With dead ends: 29553 [2024-11-09 23:51:19,312 INFO L226 Difference]: Without dead ends: 22585 [2024-11-09 23:51:19,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:51:19,327 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 1004 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:19,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 696 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:19,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22585 states. [2024-11-09 23:51:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22585 to 15205. [2024-11-09 23:51:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15205 states, 15204 states have (on average 1.2432912391475928) internal successors, (18903), 15204 states have internal predecessors, (18903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15205 states to 15205 states and 18903 transitions. [2024-11-09 23:51:19,654 INFO L78 Accepts]: Start accepts. Automaton has 15205 states and 18903 transitions. Word has length 94 [2024-11-09 23:51:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:19,654 INFO L471 AbstractCegarLoop]: Abstraction has 15205 states and 18903 transitions. [2024-11-09 23:51:19,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15205 states and 18903 transitions. [2024-11-09 23:51:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 23:51:19,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:19,662 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:19,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 23:51:19,663 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)] === [2024-11-09 23:51:19,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1179061920, now seen corresponding path program 1 times [2024-11-09 23:51:19,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:19,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334280445] [2024-11-09 23:51:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:20,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:20,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334280445] [2024-11-09 23:51:20,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334280445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:20,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:20,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-09 23:51:20,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330890596] [2024-11-09 23:51:20,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:20,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 23:51:20,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:20,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 23:51:20,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 23:51:20,021 INFO L87 Difference]: Start difference. First operand 15205 states and 18903 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:20,625 INFO L93 Difference]: Finished difference Result 35472 states and 43951 transitions. [2024-11-09 23:51:20,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 23:51:20,625 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-09 23:51:20,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:20,651 INFO L225 Difference]: With dead ends: 35472 [2024-11-09 23:51:20,651 INFO L226 Difference]: Without dead ends: 27734 [2024-11-09 23:51:20,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-09 23:51:20,667 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 1056 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:20,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 920 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27734 states. [2024-11-09 23:51:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27734 to 24074. [2024-11-09 23:51:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24074 states, 24073 states have (on average 1.2421384954097952) internal successors, (29902), 24073 states have internal predecessors, (29902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24074 states to 24074 states and 29902 transitions. [2024-11-09 23:51:21,085 INFO L78 Accepts]: Start accepts. Automaton has 24074 states and 29902 transitions. Word has length 95 [2024-11-09 23:51:21,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:21,085 INFO L471 AbstractCegarLoop]: Abstraction has 24074 states and 29902 transitions. [2024-11-09 23:51:21,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 24074 states and 29902 transitions. [2024-11-09 23:51:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 23:51:21,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:21,093 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:21,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 23:51:21,093 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)] === [2024-11-09 23:51:21,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:21,094 INFO L85 PathProgramCache]: Analyzing trace with hash 912769541, now seen corresponding path program 1 times [2024-11-09 23:51:21,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618840997] [2024-11-09 23:51:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:21,563 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:21,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:21,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618840997] [2024-11-09 23:51:21,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618840997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:21,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910976526] [2024-11-09 23:51:21,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:21,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:21,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:21,566 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) [2024-11-09 23:51:21,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 23:51:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:21,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 23:51:21,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:22,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:24,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910976526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:24,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:24,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 12, 13] total 28 [2024-11-09 23:51:24,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694461435] [2024-11-09 23:51:24,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:24,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-09 23:51:24,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:24,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-09 23:51:24,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2024-11-09 23:51:24,244 INFO L87 Difference]: Start difference. First operand 24074 states and 29902 transitions. Second operand has 28 states, 28 states have (on average 9.607142857142858) internal successors, (269), 28 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:44,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:44,043 INFO L93 Difference]: Finished difference Result 170636 states and 211293 transitions. [2024-11-09 23:51:44,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 383 states. [2024-11-09 23:51:44,043 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.607142857142858) internal successors, (269), 28 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-09 23:51:44,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:44,184 INFO L225 Difference]: With dead ends: 170636 [2024-11-09 23:51:44,184 INFO L226 Difference]: Without dead ends: 147144 [2024-11-09 23:51:44,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 405 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75270 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=16003, Invalid=149239, Unknown=0, NotChecked=0, Total=165242 [2024-11-09 23:51:44,237 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 7345 mSDsluCounter, 8453 mSDsCounter, 0 mSdLazyCounter, 8936 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7345 SdHoareTripleChecker+Valid, 9054 SdHoareTripleChecker+Invalid, 9147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 8936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:44,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7345 Valid, 9054 Invalid, 9147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 8936 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-09 23:51:44,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147144 states. [2024-11-09 23:51:45,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147144 to 43007. [2024-11-09 23:51:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43007 states, 43006 states have (on average 1.2455703855276008) internal successors, (53567), 43006 states have internal predecessors, (53567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43007 states to 43007 states and 53567 transitions. [2024-11-09 23:51:45,310 INFO L78 Accepts]: Start accepts. Automaton has 43007 states and 53567 transitions. Word has length 95 [2024-11-09 23:51:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:45,310 INFO L471 AbstractCegarLoop]: Abstraction has 43007 states and 53567 transitions. [2024-11-09 23:51:45,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.607142857142858) internal successors, (269), 28 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:45,311 INFO L276 IsEmpty]: Start isEmpty. Operand 43007 states and 53567 transitions. [2024-11-09 23:51:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 23:51:45,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:45,319 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:45,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 23:51:45,519 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,SelfDestructingSolverStorable33 [2024-11-09 23:51:45,520 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)] === [2024-11-09 23:51:45,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:45,521 INFO L85 PathProgramCache]: Analyzing trace with hash 586191310, now seen corresponding path program 1 times [2024-11-09 23:51:45,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:45,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611082465] [2024-11-09 23:51:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:45,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611082465] [2024-11-09 23:51:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611082465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79115741] [2024-11-09 23:51:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:45,625 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) [2024-11-09 23:51:45,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 23:51:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:45,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:51:45,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:46,125 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79115741] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:46,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:46,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:51:46,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153664865] [2024-11-09 23:51:46,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:46,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:51:46,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:46,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:51:46,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:51:46,240 INFO L87 Difference]: Start difference. First operand 43007 states and 53567 transitions. Second operand has 14 states, 14 states have (on average 18.357142857142858) internal successors, (257), 14 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:46,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:46,839 INFO L93 Difference]: Finished difference Result 86503 states and 107701 transitions. [2024-11-09 23:51:46,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:51:46,840 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 18.357142857142858) internal successors, (257), 14 states have internal predecessors, (257), 0 states have call successors, (0), 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 [2024-11-09 23:51:46,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:46,884 INFO L225 Difference]: With dead ends: 86503 [2024-11-09 23:51:46,884 INFO L226 Difference]: Without dead ends: 44025 [2024-11-09 23:51:46,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:51:46,913 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 2080 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:46,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 882 Invalid, 608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 23:51:46,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44025 states. [2024-11-09 23:51:47,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44025 to 39631. [2024-11-09 23:51:47,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39631 states, 39630 states have (on average 1.2216502649507948) internal successors, (48414), 39630 states have internal predecessors, (48414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39631 states to 39631 states and 48414 transitions. [2024-11-09 23:51:47,459 INFO L78 Accepts]: Start accepts. Automaton has 39631 states and 48414 transitions. Word has length 97 [2024-11-09 23:51:47,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:47,459 INFO L471 AbstractCegarLoop]: Abstraction has 39631 states and 48414 transitions. [2024-11-09 23:51:47,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.357142857142858) internal successors, (257), 14 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 39631 states and 48414 transitions. [2024-11-09 23:51:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 23:51:47,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:47,467 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:47,697 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 [2024-11-09 23:51:47,701 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)] === [2024-11-09 23:51:47,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:47,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1783029584, now seen corresponding path program 1 times [2024-11-09 23:51:47,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:47,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994660068] [2024-11-09 23:51:47,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:47,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:47,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 23:51:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 23:51:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994660068] [2024-11-09 23:51:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994660068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352717204] [2024-11-09 23:51:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:47,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:47,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:47,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:47,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:47,891 INFO L87 Difference]: Start difference. First operand 39631 states and 48414 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:48,072 INFO L93 Difference]: Finished difference Result 49735 states and 61113 transitions. [2024-11-09 23:51:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 23:51:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-09 23:51:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:48,128 INFO L225 Difference]: With dead ends: 49735 [2024-11-09 23:51:48,128 INFO L226 Difference]: Without dead ends: 45032 [2024-11-09 23:51:48,147 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 [2024-11-09 23:51:48,148 INFO L432 NwaCegarLoop]: 310 mSDtfsCounter, 486 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:48,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 764 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:51:48,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45032 states. [2024-11-09 23:51:48,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45032 to 43454. [2024-11-09 23:51:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43454 states, 43453 states have (on average 1.2212735599383242) internal successors, (53068), 43453 states have internal predecessors, (53068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43454 states to 43454 states and 53068 transitions. [2024-11-09 23:51:48,837 INFO L78 Accepts]: Start accepts. Automaton has 43454 states and 53068 transitions. Word has length 102 [2024-11-09 23:51:48,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:48,837 INFO L471 AbstractCegarLoop]: Abstraction has 43454 states and 53068 transitions. [2024-11-09 23:51:48,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 43454 states and 53068 transitions. [2024-11-09 23:51:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 23:51:48,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:48,845 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] [2024-11-09 23:51:48,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-09 23:51:48,845 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)] === [2024-11-09 23:51:48,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:48,846 INFO L85 PathProgramCache]: Analyzing trace with hash -925867020, now seen corresponding path program 1 times [2024-11-09 23:51:48,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:48,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314450301] [2024-11-09 23:51:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:48,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 23:51:48,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:48,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314450301] [2024-11-09 23:51:48,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314450301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:48,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:48,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:51:48,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802187697] [2024-11-09 23:51:48,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:48,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:51:48,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:51:48,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:51:48,905 INFO L87 Difference]: Start difference. First operand 43454 states and 53068 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:49,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:49,220 INFO L93 Difference]: Finished difference Result 84391 states and 103253 transitions. [2024-11-09 23:51:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:51:49,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-09 23:51:49,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:49,267 INFO L225 Difference]: With dead ends: 84391 [2024-11-09 23:51:49,267 INFO L226 Difference]: Without dead ends: 41520 [2024-11-09 23:51:49,282 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 [2024-11-09 23:51:49,282 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 186 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:49,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 187 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:49,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41520 states. [2024-11-09 23:51:49,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41520 to 41520. [2024-11-09 23:51:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41520 states, 41519 states have (on average 1.2115898745152822) internal successors, (50304), 41519 states have internal predecessors, (50304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41520 states to 41520 states and 50304 transitions. [2024-11-09 23:51:49,783 INFO L78 Accepts]: Start accepts. Automaton has 41520 states and 50304 transitions. Word has length 104 [2024-11-09 23:51:49,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:49,784 INFO L471 AbstractCegarLoop]: Abstraction has 41520 states and 50304 transitions. [2024-11-09 23:51:49,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 41520 states and 50304 transitions. [2024-11-09 23:51:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 23:51:49,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:49,796 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:49,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-09 23:51:49,797 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)] === [2024-11-09 23:51:49,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:49,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1998648820, now seen corresponding path program 1 times [2024-11-09 23:51:49,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:49,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611312104] [2024-11-09 23:51:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 23:51:50,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611312104] [2024-11-09 23:51:50,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611312104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:50,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:50,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 23:51:50,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682666527] [2024-11-09 23:51:50,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:50,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 23:51:50,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:50,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 23:51:50,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 23:51:50,094 INFO L87 Difference]: Start difference. First operand 41520 states and 50304 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:50,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:50,444 INFO L93 Difference]: Finished difference Result 59461 states and 71806 transitions. [2024-11-09 23:51:50,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 23:51:50,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-09 23:51:50,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:50,486 INFO L225 Difference]: With dead ends: 59461 [2024-11-09 23:51:50,486 INFO L226 Difference]: Without dead ends: 49097 [2024-11-09 23:51:50,503 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 [2024-11-09 23:51:50,505 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 1153 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:50,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1153 Valid, 435 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:51:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49097 states. [2024-11-09 23:51:50,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49097 to 41428. [2024-11-09 23:51:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41428 states, 41427 states have (on average 1.211866657011128) internal successors, (50204), 41427 states have internal predecessors, (50204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41428 states to 41428 states and 50204 transitions. [2024-11-09 23:51:51,106 INFO L78 Accepts]: Start accepts. Automaton has 41428 states and 50204 transitions. Word has length 105 [2024-11-09 23:51:51,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:51,106 INFO L471 AbstractCegarLoop]: Abstraction has 41428 states and 50204 transitions. [2024-11-09 23:51:51,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 41428 states and 50204 transitions. [2024-11-09 23:51:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 23:51:51,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:51,115 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:51,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-09 23:51:51,116 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:51,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:51,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1961775223, now seen corresponding path program 1 times [2024-11-09 23:51:51,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:51,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54874249] [2024-11-09 23:51:51,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:51,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:51,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:51,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54874249] [2024-11-09 23:51:51,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54874249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:51:51,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:51:51,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 23:51:51,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048942868] [2024-11-09 23:51:51,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:51:51,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 23:51:51,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:51,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 23:51:51,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 23:51:51,205 INFO L87 Difference]: Start difference. First operand 41428 states and 50204 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:51,452 INFO L93 Difference]: Finished difference Result 74422 states and 89540 transitions. [2024-11-09 23:51:51,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 23:51:51,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-09 23:51:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:51,493 INFO L225 Difference]: With dead ends: 74422 [2024-11-09 23:51:51,494 INFO L226 Difference]: Without dead ends: 42109 [2024-11-09 23:51:51,516 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 [2024-11-09 23:51:51,516 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 411 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:51,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 467 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 23:51:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42109 states. [2024-11-09 23:51:52,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42109 to 39855. [2024-11-09 23:51:52,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39855 states, 39854 states have (on average 1.1986249811813119) internal successors, (47770), 39854 states have internal predecessors, (47770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39855 states to 39855 states and 47770 transitions. [2024-11-09 23:51:52,164 INFO L78 Accepts]: Start accepts. Automaton has 39855 states and 47770 transitions. Word has length 106 [2024-11-09 23:51:52,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:52,164 INFO L471 AbstractCegarLoop]: Abstraction has 39855 states and 47770 transitions. [2024-11-09 23:51:52,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39855 states and 47770 transitions. [2024-11-09 23:51:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 23:51:52,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:52,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:52,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-09 23:51:52,172 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:52,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:52,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1790700072, now seen corresponding path program 1 times [2024-11-09 23:51:52,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:52,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238325341] [2024-11-09 23:51:52,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:52,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:52,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:52,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238325341] [2024-11-09 23:51:52,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238325341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:52,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801014390] [2024-11-09 23:51:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:52,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:52,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:52,468 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) [2024-11-09 23:51:52,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 23:51:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:52,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 23:51:52,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:52,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:53,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801014390] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:53,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:53,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-09 23:51:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008314950] [2024-11-09 23:51:53,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:53,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 23:51:53,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:53,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 23:51:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 23:51:53,117 INFO L87 Difference]: Start difference. First operand 39855 states and 47770 transitions. Second operand has 14 states, 14 states have (on average 20.714285714285715) internal successors, (290), 14 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:53,634 INFO L93 Difference]: Finished difference Result 83828 states and 100777 transitions. [2024-11-09 23:51:53,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 23:51:53,635 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.714285714285715) internal successors, (290), 14 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-09 23:51:53,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:53,676 INFO L225 Difference]: With dead ends: 83828 [2024-11-09 23:51:53,676 INFO L226 Difference]: Without dead ends: 44464 [2024-11-09 23:51:53,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-09 23:51:53,701 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 1295 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:53,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 902 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 23:51:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44464 states. [2024-11-09 23:51:54,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44464 to 40176. [2024-11-09 23:51:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40176 states, 40175 states have (on average 1.184667081518357) internal successors, (47594), 40175 states have internal predecessors, (47594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40176 states to 40176 states and 47594 transitions. [2024-11-09 23:51:54,161 INFO L78 Accepts]: Start accepts. Automaton has 40176 states and 47594 transitions. Word has length 106 [2024-11-09 23:51:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:51:54,162 INFO L471 AbstractCegarLoop]: Abstraction has 40176 states and 47594 transitions. [2024-11-09 23:51:54,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.714285714285715) internal successors, (290), 14 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:51:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 40176 states and 47594 transitions. [2024-11-09 23:51:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 23:51:54,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:51:54,168 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:51:54,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 23:51:54,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 23:51:54,368 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:51:54,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:51:54,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1677035183, now seen corresponding path program 1 times [2024-11-09 23:51:54,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:51:54,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797467655] [2024-11-09 23:51:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:54,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:51:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:54,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:51:54,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797467655] [2024-11-09 23:51:54,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797467655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:51:54,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442844960] [2024-11-09 23:51:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:51:54,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:51:54,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:51:54,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:51:54,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 23:51:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:51:55,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 23:51:55,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 23:51:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:56,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 23:51:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:51:56,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442844960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 23:51:56,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 23:51:56,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 11] total 30 [2024-11-09 23:51:56,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613134130] [2024-11-09 23:51:56,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 23:51:56,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-09 23:51:56,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:51:56,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-09 23:51:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2024-11-09 23:51:56,969 INFO L87 Difference]: Start difference. First operand 40176 states and 47594 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) [2024-11-09 23:51:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:51:59,344 INFO L93 Difference]: Finished difference Result 115894 states and 136612 transitions. [2024-11-09 23:51:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-09 23:51:59,344 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 108 [2024-11-09 23:51:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:51:59,434 INFO L225 Difference]: With dead ends: 115894 [2024-11-09 23:51:59,434 INFO L226 Difference]: Without dead ends: 95686 [2024-11-09 23:51:59,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=720, Invalid=2940, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 23:51:59,466 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 2675 mSDsluCounter, 3903 mSDsCounter, 0 mSdLazyCounter, 3255 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 3255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 23:51:59,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 4128 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 3255 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 23:51:59,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95686 states. [2024-11-09 23:52:00,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95686 to 50905. [2024-11-09 23:52:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50905 states, 50904 states have (on average 1.1838558855885588) internal successors, (60263), 50904 states have internal predecessors, (60263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:52:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50905 states to 50905 states and 60263 transitions. [2024-11-09 23:52:00,158 INFO L78 Accepts]: Start accepts. Automaton has 50905 states and 60263 transitions. Word has length 108 [2024-11-09 23:52:00,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:00,158 INFO L471 AbstractCegarLoop]: Abstraction has 50905 states and 60263 transitions. [2024-11-09 23:52:00,158 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) [2024-11-09 23:52:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand 50905 states and 60263 transitions. [2024-11-09 23:52:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 23:52:00,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:00,165 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:52:00,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 23:52:00,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:00,366 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:00,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash -579640803, now seen corresponding path program 1 times [2024-11-09 23:52:00,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:00,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669046306] [2024-11-09 23:52:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:00,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:00,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669046306] [2024-11-09 23:52:00,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669046306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:00,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:00,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 23:52:00,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555983041] [2024-11-09 23:52:00,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:00,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 23:52:00,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:00,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 23:52:00,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 23:52:00,435 INFO L87 Difference]: Start difference. First operand 50905 states and 60263 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:52:00,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:00,873 INFO L93 Difference]: Finished difference Result 70345 states and 83255 transitions. [2024-11-09 23:52:00,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 23:52:00,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2024-11-09 23:52:00,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:00,931 INFO L225 Difference]: With dead ends: 70345 [2024-11-09 23:52:00,931 INFO L226 Difference]: Without dead ends: 51879 [2024-11-09 23:52:00,943 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 [2024-11-09 23:52:00,944 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 70 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:00,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 517 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 23:52:00,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51879 states. [2024-11-09 23:52:01,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51879 to 49327. [2024-11-09 23:52:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49327 states, 49326 states have (on average 1.1805133195475004) internal successors, (58230), 49326 states have internal predecessors, (58230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:52:01,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49327 states to 49327 states and 58230 transitions. [2024-11-09 23:52:01,320 INFO L78 Accepts]: Start accepts. Automaton has 49327 states and 58230 transitions. Word has length 109 [2024-11-09 23:52:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:01,320 INFO L471 AbstractCegarLoop]: Abstraction has 49327 states and 58230 transitions. [2024-11-09 23:52:01,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:52:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 49327 states and 58230 transitions. [2024-11-09 23:52:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 23:52:01,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:01,327 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:52:01,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-09 23:52:01,327 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:01,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 847978057, now seen corresponding path program 1 times [2024-11-09 23:52:01,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:01,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661970914] [2024-11-09 23:52:01,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:01,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 23:52:01,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:01,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661970914] [2024-11-09 23:52:01,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661970914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 23:52:01,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 23:52:01,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 23:52:01,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319462365] [2024-11-09 23:52:01,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 23:52:01,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 23:52:01,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 23:52:01,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 23:52:01,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-09 23:52:01,861 INFO L87 Difference]: Start difference. First operand 49327 states and 58230 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 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) [2024-11-09 23:52:02,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 23:52:02,305 INFO L93 Difference]: Finished difference Result 125812 states and 148908 transitions. [2024-11-09 23:52:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 23:52:02,305 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 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 109 [2024-11-09 23:52:02,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 23:52:02,387 INFO L225 Difference]: With dead ends: 125812 [2024-11-09 23:52:02,388 INFO L226 Difference]: Without dead ends: 86638 [2024-11-09 23:52:02,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-09 23:52:02,423 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 791 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 23:52:02,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 917 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 23:52:02,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86638 states. [2024-11-09 23:52:03,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86638 to 49275. [2024-11-09 23:52:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49275 states, 49274 states have (on average 1.1805820513861265) internal successors, (58172), 49274 states have internal predecessors, (58172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 23:52:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49275 states to 49275 states and 58172 transitions. [2024-11-09 23:52:03,318 INFO L78 Accepts]: Start accepts. Automaton has 49275 states and 58172 transitions. Word has length 109 [2024-11-09 23:52:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 23:52:03,318 INFO L471 AbstractCegarLoop]: Abstraction has 49275 states and 58172 transitions. [2024-11-09 23:52:03,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 8 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) [2024-11-09 23:52:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 49275 states and 58172 transitions. [2024-11-09 23:52:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 23:52:03,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 23:52:03,330 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 23:52:03,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-09 23:52:03,332 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 23:52:03,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 23:52:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash -257556903, now seen corresponding path program 1 times [2024-11-09 23:52:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 23:52:03,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527250757] [2024-11-09 23:52:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:03,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 23:52:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 23:52:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 23:52:03,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527250757] [2024-11-09 23:52:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527250757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 23:52:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881016861] [2024-11-09 23:52:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 23:52:03,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 23:52:03,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 23:52:03,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 23:52:03,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 23:52:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 23:52:03,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 23:52:04,204 INFO L278 TraceCheckSpWp]: Computing forward predicates...