./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 62ddbd8e479b9a9ff0259307914371bc7c12caf38dd9ff6b9d8872f71f8db1de --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 21:21:25,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 21:21:25,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 21:21:25,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 21:21:25,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 21:21:25,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 21:21:25,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 21:21:25,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 21:21:25,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 21:21:25,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 21:21:25,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 21:21:25,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 21:21:25,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 21:21:25,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 21:21:25,683 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 21:21:25,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 21:21:25,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 21:21:25,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 21:21:25,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 21:21:25,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 21:21:25,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:25,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 21:21:25,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 21:21:25,687 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 62ddbd8e479b9a9ff0259307914371bc7c12caf38dd9ff6b9d8872f71f8db1de [2025-02-07 21:21:25,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 21:21:25,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 21:21:25,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 21:21:25,972 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 21:21:25,972 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 21:21:25,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:27,229 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a44ddb153/9475b7a6e601489aae23a3b084d3a7e5/FLAG196fcaad5 [2025-02-07 21:21:27,696 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 21:21:27,697 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:27,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a44ddb153/9475b7a6e601489aae23a3b084d3a7e5/FLAG196fcaad5 [2025-02-07 21:21:27,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a44ddb153/9475b7a6e601489aae23a3b084d3a7e5 [2025-02-07 21:21:27,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 21:21:27,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 21:21:27,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:27,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 21:21:27,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 21:21:27,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:27" (1/1) ... [2025-02-07 21:21:27,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211ced4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:27, skipping insertion in model container [2025-02-07 21:21:27,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 09:21:27" (1/1) ... [2025-02-07 21:21:27,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 21:21:28,032 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8125,8138] [2025-02-07 21:21:28,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14955,14968] [2025-02-07 21:21:28,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17042,17055] [2025-02-07 21:21:28,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18066,18079] [2025-02-07 21:21:28,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:28,212 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 21:21:28,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[8125,8138] [2025-02-07 21:21:28,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14955,14968] [2025-02-07 21:21:28,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[17042,17055] [2025-02-07 21:21:28,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[18066,18079] [2025-02-07 21:21:28,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 21:21:28,415 INFO L204 MainTranslator]: Completed translation [2025-02-07 21:21:28,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28 WrapperNode [2025-02-07 21:21:28,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 21:21:28,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:28,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 21:21:28,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 21:21:28,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,544 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2617 [2025-02-07 21:21:28,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 21:21:28,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 21:21:28,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 21:21:28,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 21:21:28,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,606 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]. [2025-02-07 21:21:28,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,648 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 21:21:28,686 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 21:21:28,686 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 21:21:28,686 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 21:21:28,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (1/1) ... [2025-02-07 21:21:28,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 21:21:28,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 21:21:28,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 21:21:28,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 21:21:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 21:21:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 21:21:28,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 21:21:28,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 21:21:28,959 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 21:21:28,961 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 21:21:30,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1489: havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~11#1;havoc main_~node3____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:30,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2018: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~20#1; [2025-02-07 21:21:30,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc main_~__tmp_48~0#1, main_~assert__arg~47#1;havoc main_~check__tmp~48#1; [2025-02-07 21:21:30,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3340: havoc main_~__tmp_41~0#1, main_~assert__arg~40#1;havoc main_~check__tmp~41#1; [2025-02-07 21:21:30,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: havoc main_~node3____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:30,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1094: havoc main_~node2__m2~3#1; [2025-02-07 21:21:30,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698: havoc main_~node2____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:30,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2879: havoc main_~__tmp_34~0#1, main_~assert__arg~33#1;havoc main_~check__tmp~34#1; [2025-02-07 21:21:30,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1823: havoc main_~node3__m3~7#1;havoc main_~node2____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:30,559 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3541: havoc main_~node3__m3~14#1; [2025-02-07 21:21:30,559 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L503: havoc main_~node1____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:30,559 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2750: havoc main_~__tmp_32~0#1, main_~assert__arg~31#1;havoc main_~check__tmp~32#1; [2025-02-07 21:21:30,560 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2354: havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~25#1; [2025-02-07 21:21:30,560 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2555: havoc main_~node3__m3~10#1; [2025-02-07 21:21:30,560 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L640: havoc main_~node3____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:30,560 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L971: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~4#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1434: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~10#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1963: havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~19#1;havoc main_~node3____CPAchecker_TMP_1~3#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3681: havoc main_~__tmp_47~0#1, main_~assert__arg~46#1;havoc main_~check__tmp~47#1;havoc main_~node3____CPAchecker_TMP_1~10#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L312: havoc main_~node3__m3~1#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2096: havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~21#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: havoc main_~__tmp_49~0#1, main_~assert__arg~48#1;havoc main_~check__tmp~49#1; [2025-02-07 21:21:30,561 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1833: havoc main_~node3____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L446: havoc main_~node1__m1~3#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~2#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3551: havoc main_~node3____CPAchecker_TMP_0~10#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L380: havoc main_~node2__m2~2#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1305: havoc main_~check__tmp~9#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3287: havoc main_~node2__m2~5#1;havoc main_~node1____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1241: havoc main_~node3__m3~5#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4214: havoc main_~__tmp_56~0#1, main_~assert__arg~55#1;havoc main_~check__tmp~56#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2695: havoc main_~__tmp_31~0#1, main_~assert__arg~30#1;havoc main_~check__tmp~31#1;havoc main_~node3____CPAchecker_TMP_1~6#1; [2025-02-07 21:21:30,562 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2828: havoc main_~__tmp_33~0#1, main_~assert__arg~32#1;havoc main_~check__tmp~33#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L186: havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1;#t~ret20#1 := main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~1#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~3#1, main_~node2__m2~1#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~4#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~check__tmp~9#1, main_~node3__m3~5#1, main_~node2__m2~3#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_0~0#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~11#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~12#1, main_~node3__m3~0#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~13#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~14#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_1~2#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~16#1, main_~node3__m3~6#1, main_~node2____CPAchecker_TMP_0~0#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~17#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~18#1, main_~node3____CPAchecker_TMP_0~3#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_1~3#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~20#1, main_~node3__m3~7#1, main_~node2____CPAchecker_TMP_1~1#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~21#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~22#1, main_~node3____CPAchecker_TMP_0~4#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~23#1, main_~node3____CPAchecker_TMP_1~4#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~24#1, main_~node3__m3~8#1, main_~node2__m2~0#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~25#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_0~5#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~27#1, main_~node3____CPAchecker_TMP_1~5#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~28#1, main_~node3__m3~9#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~29#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~6#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~31#1, main_~node3____CPAchecker_TMP_1~6#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~32#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_0~2#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3____CPAchecker_TMP_0~7#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3____CPAchecker_TMP_1~7#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~11#1, main_~node2____CPAchecker_TMP_1~2#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3____CPAchecker_TMP_0~8#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_1~8#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~12#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3____CPAchecker_TMP_0~9#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node3____CPAchecker_TMP_1~9#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~13#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3____CPAchecker_TMP_0~10#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~10#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~14#1, main_~node2____CPAchecker_TMP_0~3#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3____CPAchecker_TMP_0~11#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node3____CPAchecker_TMP_1~11#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3__m3~15#1, main_~node2____CPAchecker_TMP_1~3#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_0~12#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3____CPAchecker_TMP_1~12#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node3__m3~16#1, main_~node2__m2~5#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;assume { :end_inline_main } true; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1111: havoc main_~node3__m3~4#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2565: havoc main_~node3____CPAchecker_TMP_0~6#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2301: havoc main_~node2__m2~4#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4019: havoc main_~node3__m3~16#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3228: havoc main_~__tmp_40~0#1, main_~assert__arg~39#1;havoc main_~check__tmp~40#1; [2025-02-07 21:21:30,563 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1908: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~18#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3626: havoc main_~__tmp_46~0#1, main_~assert__arg~45#1;havoc main_~check__tmp~46#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3297: havoc main_~node2____CPAchecker_TMP_0~3#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc main_~node3__m3~12#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1779: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~16#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L789: havoc main_~node1____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4159: havoc main_~__tmp_55~0#1, main_~assert__arg~54#1;havoc main_~check__tmp~55#1;havoc main_~node3____CPAchecker_TMP_1~12#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2640: havoc main_~__tmp_30~0#1, main_~assert__arg~29#1;havoc main_~check__tmp~30#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L196: havoc main_~node1____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1584: havoc main_~node3__m3~6#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2311: havoc main_~node2____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4029: havoc main_~node3____CPAchecker_TMP_0~12#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc main_~node2____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3501: havoc main_~__tmp_44~0#1, main_~assert__arg~43#1;havoc main_~check__tmp~44#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L398: havoc main_~node3__m3~2#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3173: havoc main_~__tmp_39~0#1, main_~assert__arg~38#1;havoc main_~check__tmp~39#1;havoc main_~node3____CPAchecker_TMP_1~8#1; [2025-02-07 21:21:30,564 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L531: havoc main_~node1____CPAchecker_TMP_1~0#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3306: havoc main_~node3__m3~13#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1192: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~7#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3043: havoc main_~node3____CPAchecker_TMP_0~8#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2515: havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~28#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724: havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~15#1;havoc main_~node3____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L271: havoc main_~node1__m1~1#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1857: havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~17#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3575: havoc main_~__tmp_45~0#1, main_~assert__arg~44#1;havoc main_~check__tmp~45#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2320: havoc main_~node3__m3~9#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc main_~node2__m2~0#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4104: havoc main_~__tmp_54~0#1, main_~assert__arg~53#1;havoc main_~check__tmp~54#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1594: havoc main_~node3____CPAchecker_TMP_0~2#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3446: havoc main_~__tmp_43~0#1, main_~assert__arg~42#1;havoc main_~check__tmp~43#1;havoc main_~node3____CPAchecker_TMP_1~9#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2257: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~24#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3975: havoc main_~__tmp_52~0#1, main_~assert__arg~51#1;havoc main_~check__tmp~52#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2589: havoc main_~__tmp_29~0#1, main_~assert__arg~28#1;havoc main_~check__tmp~29#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3316: havoc main_~node3____CPAchecker_TMP_0~9#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3118: havoc main_~__tmp_38~0#1, main_~assert__arg~37#1;havoc main_~check__tmp~38#1; [2025-02-07 21:21:30,565 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2062: havoc main_~node3__m3~8#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L939: havoc main_~node3__m3~3#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3780: havoc main_~node3__m3~15#1;havoc main_~node2____CPAchecker_TMP_1~3#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2460: havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~27#1;havoc main_~node3____CPAchecker_TMP_1~5#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2989: havoc main_~__tmp_36~0#1, main_~assert__arg~35#1;havoc main_~check__tmp~36#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1669: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~14#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L612: havoc main_~node3____CPAchecker_TMP_0~1#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2330: havoc main_~node3____CPAchecker_TMP_0~5#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L216: havoc main_~node2____CPAchecker_TMP_0~0#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2794: havoc main_~node3__m3~11#1;havoc main_~node2____CPAchecker_TMP_1~2#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1275: havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~8#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1143: havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~6#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3391: havoc main_~__tmp_42~0#1, main_~assert__arg~41#1;havoc main_~check__tmp~42#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2202: havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~23#1;havoc main_~node3____CPAchecker_TMP_1~4#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3920: havoc main_~__tmp_51~0#1, main_~assert__arg~50#1;havoc main_~check__tmp~51#1;havoc main_~node3____CPAchecker_TMP_1~11#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4053: havoc main_~__tmp_53~0#1, main_~assert__arg~52#1;havoc main_~check__tmp~53#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L882: havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~3#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2072: havoc main_~node3____CPAchecker_TMP_0~4#1; [2025-02-07 21:21:30,566 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L817: havoc main_~node1____CPAchecker_TMP_1~1#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3790: havoc main_~node3____CPAchecker_TMP_0~11#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1544: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~12#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L356: havoc main_~node1__m1~2#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~1#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2405: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~26#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: havoc main_~node3__m3~0#1; [2025-02-07 21:21:30,568 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2934: havoc main_~__tmp_35~0#1, main_~assert__arg~34#1;havoc main_~check__tmp~35#1;havoc main_~node3____CPAchecker_TMP_1~7#1; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3067: havoc main_~__tmp_37~0#1, main_~assert__arg~36#1;havoc main_~check__tmp~37#1; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~5#1; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2804: havoc main_~node3____CPAchecker_TMP_0~7#1; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L295: havoc main_~node2__m2~1#1; [2025-02-07 21:21:30,569 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1618: havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~13#1; [2025-02-07 21:21:30,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2147: havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~22#1; [2025-02-07 21:21:30,570 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3865: havoc main_~__tmp_50~0#1, main_~assert__arg~49#1;havoc main_~check__tmp~50#1; [2025-02-07 21:21:30,683 INFO L? ?]: Removed 688 outVars from TransFormulas that were not future-live. [2025-02-07 21:21:30,684 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 21:21:30,708 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 21:21:30,708 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 21:21:30,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:30 BoogieIcfgContainer [2025-02-07 21:21:30,708 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 21:21:30,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 21:21:30,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 21:21:30,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 21:21:30,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 09:21:27" (1/3) ... [2025-02-07 21:21:30,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d33768a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:30, skipping insertion in model container [2025-02-07 21:21:30,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 09:21:28" (2/3) ... [2025-02-07 21:21:30,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d33768a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 09:21:30, skipping insertion in model container [2025-02-07 21:21:30,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:30" (3/3) ... [2025-02-07 21:21:30,718 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2025-02-07 21:21:30,729 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 21:21:30,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c that has 1 procedures, 461 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-02-07 21:21:30,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 21:21:30,803 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;@d6e61ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 21:21:30,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 21:21:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 460 states, 384 states have (on average 1.9973958333333333) internal successors, (767), 459 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-07 21:21:30,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:30,824 INFO L218 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] [2025-02-07 21:21:30,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:30,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:30,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1486243135, now seen corresponding path program 1 times [2025-02-07 21:21:30,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:30,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693091806] [2025-02-07 21:21:30,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:30,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:30,935 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-07 21:21:31,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-07 21:21:31,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:31,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:32,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:32,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693091806] [2025-02-07 21:21:32,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693091806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:32,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:32,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-02-07 21:21:32,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838043984] [2025-02-07 21:21:32,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:32,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-07 21:21:32,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:32,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-07 21:21:32,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-02-07 21:21:32,528 INFO L87 Difference]: Start difference. First operand has 460 states, 384 states have (on average 1.9973958333333333) internal successors, (767), 459 states have internal predecessors, (767), 0 states have call successors, (0), 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 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2025-02-07 21:21:33,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:33,860 INFO L93 Difference]: Finished difference Result 480 states and 767 transitions. [2025-02-07 21:21:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-07 21:21:33,866 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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 [2025-02-07 21:21:33,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:33,872 INFO L225 Difference]: With dead ends: 480 [2025-02-07 21:21:33,873 INFO L226 Difference]: Without dead ends: 92 [2025-02-07 21:21:33,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2025-02-07 21:21:33,878 INFO L435 NwaCegarLoop]: 597 mSDtfsCounter, 3178 mSDsluCounter, 3127 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 3724 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:33,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 3724 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-07 21:21:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-07 21:21:33,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-07 21:21:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.0224719101123596) internal successors, (91), 91 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions. [2025-02-07 21:21:33,912 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 52 [2025-02-07 21:21:33,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:33,913 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 91 transitions. [2025-02-07 21:21:33,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2025-02-07 21:21:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2025-02-07 21:21:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-07 21:21:33,914 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:33,915 INFO L218 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] [2025-02-07 21:21:33,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 21:21:33,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:33,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:33,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1656616995, now seen corresponding path program 1 times [2025-02-07 21:21:33,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:33,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087408312] [2025-02-07 21:21:33,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:33,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:33,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-07 21:21:33,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-07 21:21:33,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:33,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:35,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:35,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087408312] [2025-02-07 21:21:35,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087408312] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:35,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:35,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2025-02-07 21:21:35,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126801758] [2025-02-07 21:21:35,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:35,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-07 21:21:35,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:35,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-07 21:21:35,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2025-02-07 21:21:35,119 INFO L87 Difference]: Start difference. First operand 92 states and 91 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 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) [2025-02-07 21:21:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:36,205 INFO L93 Difference]: Finished difference Result 92 states and 91 transitions. [2025-02-07 21:21:36,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-07 21:21:36,205 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 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 [2025-02-07 21:21:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:36,206 INFO L225 Difference]: With dead ends: 92 [2025-02-07 21:21:36,206 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 21:21:36,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=260, Invalid=930, Unknown=0, NotChecked=0, Total=1190 [2025-02-07 21:21:36,208 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 186 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:36,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 713 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-07 21:21:36,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 21:21:36,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-02-07 21:21:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 76 states have (on average 1.013157894736842) internal successors, (77), 77 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 77 transitions. [2025-02-07 21:21:36,212 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 77 transitions. Word has length 52 [2025-02-07 21:21:36,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:36,212 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 77 transitions. [2025-02-07 21:21:36,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 18 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) [2025-02-07 21:21:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 77 transitions. [2025-02-07 21:21:36,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-07 21:21:36,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:36,214 INFO L218 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] [2025-02-07 21:21:36,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 21:21:36,214 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)] === [2025-02-07 21:21:36,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:36,214 INFO L85 PathProgramCache]: Analyzing trace with hash 978312195, now seen corresponding path program 1 times [2025-02-07 21:21:36,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:36,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748604953] [2025-02-07 21:21:36,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:36,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:36,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-07 21:21:36,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-07 21:21:36,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:36,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:36,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:36,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748604953] [2025-02-07 21:21:36,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748604953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:36,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:36,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-02-07 21:21:36,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122902809] [2025-02-07 21:21:36,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:36,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-07 21:21:36,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:36,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-07 21:21:36,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-02-07 21:21:36,804 INFO L87 Difference]: Start difference. First operand 78 states and 77 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2025-02-07 21:21:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:37,243 INFO L93 Difference]: Finished difference Result 78 states and 77 transitions. [2025-02-07 21:21:37,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-07 21:21:37,243 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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 [2025-02-07 21:21:37,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:37,244 INFO L225 Difference]: With dead ends: 78 [2025-02-07 21:21:37,244 INFO L226 Difference]: Without dead ends: 68 [2025-02-07 21:21:37,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2025-02-07 21:21:37,246 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 183 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:37,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 323 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 21:21:37,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-07 21:21:37,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-07 21:21:37,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.0) internal successors, (67), 67 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 67 transitions. [2025-02-07 21:21:37,250 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 67 transitions. Word has length 52 [2025-02-07 21:21:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:37,251 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 67 transitions. [2025-02-07 21:21:37,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2025-02-07 21:21:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 67 transitions. [2025-02-07 21:21:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-07 21:21:37,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 21:21:37,253 INFO L218 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] [2025-02-07 21:21:37,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 21:21:37,254 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-02-07 21:21:37,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 21:21:37,254 INFO L85 PathProgramCache]: Analyzing trace with hash -260182676, now seen corresponding path program 1 times [2025-02-07 21:21:37,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 21:21:37,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616737348] [2025-02-07 21:21:37,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 21:21:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 21:21:37,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-07 21:21:37,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-07 21:21:37,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 21:21:37,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 21:21:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 21:21:37,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 21:21:37,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616737348] [2025-02-07 21:21:37,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616737348] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 21:21:37,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 21:21:37,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 21:21:37,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173110861] [2025-02-07 21:21:37,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 21:21:37,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 21:21:37,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 21:21:37,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 21:21:37,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 21:21:37,352 INFO L87 Difference]: Start difference. First operand 68 states and 67 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 21:21:37,370 INFO L93 Difference]: Finished difference Result 68 states and 67 transitions. [2025-02-07 21:21:37,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 21:21:37,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2025-02-07 21:21:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 21:21:37,372 INFO L225 Difference]: With dead ends: 68 [2025-02-07 21:21:37,372 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 21:21:37,372 INFO L434 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 [2025-02-07 21:21:37,373 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 21:21:37,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 61 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 21:21:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 21:21:37,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 21:21:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 21:21:37,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2025-02-07 21:21:37,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 21:21:37,374 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 21:21:37,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 21:21:37,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 21:21:37,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 21:21:37,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-02-07 21:21:37,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 21:21:37,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2025-02-07 21:21:37,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2025-02-07 21:21:37,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 21:21:37,380 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-07 21:21:37,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 21:21:37,390 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 21:21:37,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 09:21:37 BoogieIcfgContainer [2025-02-07 21:21:37,397 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 21:21:37,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 21:21:37,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 21:21:37,397 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 21:21:37,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 09:21:30" (3/4) ... [2025-02-07 21:21:37,399 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 21:21:37,430 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 21:21:37,432 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 21:21:37,434 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 21:21:37,436 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 21:21:37,622 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 21:21:37,623 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 21:21:37,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 21:21:37,624 INFO L158 Benchmark]: Toolchain (without parser) took 9888.97ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 110.2MB in the beginning and 129.6MB in the end (delta: -19.3MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,624 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 21:21:37,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.13ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 65.8MB in the end (delta: 44.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,624 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.10ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,625 INFO L158 Benchmark]: Boogie Preprocessor took 139.90ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 46.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,625 INFO L158 Benchmark]: IcfgBuilder took 2022.48ms. Allocated memory is still 142.6MB. Free memory was 46.6MB in the beginning and 66.5MB in the end (delta: -20.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,625 INFO L158 Benchmark]: TraceAbstraction took 6686.58ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 65.6MB in the beginning and 154.7MB in the end (delta: -89.1MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,626 INFO L158 Benchmark]: Witness Printer took 225.72ms. Allocated memory is still 285.2MB. Free memory was 154.7MB in the beginning and 129.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 21:21:37,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 127.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.13ms. Allocated memory is still 142.6MB. Free memory was 110.2MB in the beginning and 65.8MB in the end (delta: 44.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.10ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 55.9MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.90ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 46.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2022.48ms. Allocated memory is still 142.6MB. Free memory was 46.6MB in the beginning and 66.5MB in the end (delta: -20.0MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6686.58ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 65.6MB in the beginning and 154.7MB in the end (delta: -89.1MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Witness Printer took 225.72ms. Allocated memory is still 285.2MB. Free memory was 154.7MB in the beginning and 129.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 441]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1027]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1199]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1282]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 461 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3580 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3580 mSDsluCounter, 4821 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4056 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1673 IncrementalHoareTripleChecker+Invalid, 1702 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 765 mSDtfsCounter, 1673 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 3308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 21:21:37,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE