./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:49:44,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:44,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:44,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:44,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:44,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:44,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:44,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:44,689 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:44,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:44,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:44,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:44,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:44,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:44,696 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:44,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:44,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:44,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:44,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:44,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:44,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:44,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:44,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:44,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:44,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:44,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:44,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:44,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:44,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:44,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:44,701 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:44,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:44,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:44,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:44,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:44,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:44,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:44,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:44,704 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:44,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:44,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:44,705 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:44,705 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:44,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:45,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:45,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:45,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:45,008 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:45,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-12 16:49:46,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:46,642 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:46,642 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-12 16:49:46,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d02114ebe/0a0b05a1cc8e4d87a3ae14eb1c825b97/FLAG0d8cbf2d4 [2024-09-12 16:49:46,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d02114ebe/0a0b05a1cc8e4d87a3ae14eb1c825b97 [2024-09-12 16:49:46,663 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:46,663 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:46,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-12 16:49:46,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:46,722 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:46,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:46,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:46,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:46,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:46" (1/2) ... [2024-09-12 16:49:46,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5ea5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:46, skipping insertion in model container [2024-09-12 16:49:46,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:46" (1/2) ... [2024-09-12 16:49:46,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ebe3aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:46, skipping insertion in model container [2024-09-12 16:49:46,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (2/2) ... [2024-09-12 16:49:46,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5ea5a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:46, skipping insertion in model container [2024-09-12 16:49:46,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (2/2) ... [2024-09-12 16:49:46,746 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:46,749 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-12 16:49:46,749 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-12 16:49:46,750 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:49:46,750 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:49:46,750 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:49:46,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:46,921 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-12 16:49:46,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:46,958 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:46,987 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:49:47,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:47,023 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:47,024 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47 WrapperNode [2024-09-12 16:49:47,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:47,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:47,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:47,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:47,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,072 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 16:49:47,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:47,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:47,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:47,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:47,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (1/1) ... [2024-09-12 16:49:47,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:47,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:47,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:49:47,140 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:49:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:47,260 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:47,265 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:47,290 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:47,321 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:47,619 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:47,741 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:47,741 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:47,775 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:47,775 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:47,775 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:47 BoogieIcfgContainer [2024-09-12 16:49:47,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:47,776 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:47,776 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:47,779 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:47,780 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:46" (1/4) ... [2024-09-12 16:49:47,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cc7c540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:47, skipping insertion in model container [2024-09-12 16:49:47,780 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:46" (2/4) ... [2024-09-12 16:49:47,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cc7c540 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:47, skipping insertion in model container [2024-09-12 16:49:47,781 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:47" (3/4) ... [2024-09-12 16:49:47,781 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cc7c540 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:47, skipping insertion in model container [2024-09-12 16:49:47,781 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:47" (4/4) ... [2024-09-12 16:49:47,782 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-12 16:49:47,788 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:47,791 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:47,791 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-12 16:49:47,791 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:47,791 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:49:47,792 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-12 16:49:47,792 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:47,792 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-12 16:49:47,792 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:47,793 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:47,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-12 16:49:47,794 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:47,794 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:49:47,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:49:47,794 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:47,795 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location [2024-09-12 16:49:47,861 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:47,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:47,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:47,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:47,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:47,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:47,877 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:47,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:47,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:47,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:47,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:47,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:47,902 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:47,956 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-12 16:49:47,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:47,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:47,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:47,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:47,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,077 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-12 16:49:48,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:48,078 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:48,078 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:48,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:48,105 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:48,139 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:49:48,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:48,139 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:48,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:48,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:48,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,151 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:49:48,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:48,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:48,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:48,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:48,159 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:48,188 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:49:48,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:48,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:48,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:48,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:48,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,200 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:49:48,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:48,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:48,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:48,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:48,205 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:48,246 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-12 16:49:48,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:48,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:48,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:48,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:48,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,292 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-12 16:49:48,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:48,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:48,293 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:48,293 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:48,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:52,310 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:52,331 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:52,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:52,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:52,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:52,332 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:52,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,338 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:52,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:52,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:52,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:52,339 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:52,341 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:52,361 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 16:49:52,361 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:52,361 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:52,362 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:52,362 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:52,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,387 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 16:49:52,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:52,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:52,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:52,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:52,391 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:52,410 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 16:49:52,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:52,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:52,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:52,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:52,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,429 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 16:49:52,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:52,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:52,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:52,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:52,434 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:52,453 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:49:52,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:52,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:52,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:52,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:52,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,454 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:49:52,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:52,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:52,454 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:52,454 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:52,456 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:52,478 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-12 16:49:52,478 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:52,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:52,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:52,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:52,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,541 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-12 16:49:52,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:52,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:52,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:52,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:52,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:56,558 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:49:56,584 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:49:56,584 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:56,585 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:56,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:56,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:56,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,598 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:49:56,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:56,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:56,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:56,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:56,605 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:56,623 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-12 16:49:56,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:56,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:56,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:56,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:56,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,683 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-12 16:49:56,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:56,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:56,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:56,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:56,686 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:56,700 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:56,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:56,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:56,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:56,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:56,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,701 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:56,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:56,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:56,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:56,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:56,703 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:56,717 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:56,717 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:56,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:56,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:56,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:56,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,719 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:56,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:56,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:56,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:56,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:56,721 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:56,751 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-12 16:49:56,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:56,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:56,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:56,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:56,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,797 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-12 16:49:56,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:56,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:56,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:56,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:56,808 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,812 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 16:50:00,833 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:00,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,834 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:00,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,836 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:00,850 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:00,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,850 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,850 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,853 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:00,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,855 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,868 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:00,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,874 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:00,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,877 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:00,890 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:00,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:00,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:00,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:00,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:00,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,894 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:00,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:00,895 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:00,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:00,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:00,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:00,897 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:00,900 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 16:50:00,901 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@cc7c540 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:00, skipping insertion in model container [2024-09-12 16:50:00,901 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:00,902 INFO L158 Benchmark]: Toolchain (without parser) took 14180.15ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 89.1MB in the end (delta: 17.5MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,903 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 109.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:00,903 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:00,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.68ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 92.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,904 INFO L158 Benchmark]: Boogie Preprocessor took 62.29ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,904 INFO L158 Benchmark]: RCFGBuilder took 687.60ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 111.1MB in the end (delta: -21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,905 INFO L158 Benchmark]: Referee took 13125.08ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.1MB in the beginning and 89.1MB in the end (delta: 22.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2024-09-12 16:50:00,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 109.1MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 108.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.68ms. Allocated memory is still 144.7MB. Free memory was 106.6MB in the beginning and 92.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.29ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 89.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.60ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 111.1MB in the end (delta: -21.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 13125.08ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 111.1MB in the beginning and 89.1MB in the end (delta: 22.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:00,937 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:50:03,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:03,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 16:50:03,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:03,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:03,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:03,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:03,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:03,248 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:03,249 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:03,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:03,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:03,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:03,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:03,252 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:03,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:03,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:03,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:03,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:03,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:03,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:03,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:03,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:03,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 16:50:03,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 16:50:03,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:03,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 16:50:03,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:03,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:03,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:03,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:03,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:03,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:03,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:03,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:03,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:03,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:03,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:03,263 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 16:50:03,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 16:50:03,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:03,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:03,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:03,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:03,264 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 16:50:03,264 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/certificate-witnesses-artifact/referee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:03,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:03,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:03,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:03,617 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:03,618 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:03,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-12 16:50:03,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:03,678 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:03,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-12 16:50:05,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:05,406 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:05,407 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-12 16:50:05,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0a85c8447/48be69444dff494ab745eaabf7ba7f87/FLAG5e5c7d91b [2024-09-12 16:50:05,431 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0a85c8447/48be69444dff494ab745eaabf7ba7f87 [2024-09-12 16:50:05,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:05,433 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:05,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:05,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:05,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:05,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:03" (1/2) ... [2024-09-12 16:50:05,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c0bc98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:05, skipping insertion in model container [2024-09-12 16:50:05,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:03" (1/2) ... [2024-09-12 16:50:05,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1e9cb05e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:05, skipping insertion in model container [2024-09-12 16:50:05,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:05" (2/2) ... [2024-09-12 16:50:05,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c0bc98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05, skipping insertion in model container [2024-09-12 16:50:05,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:05" (2/2) ... [2024-09-12 16:50:05,457 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:05,461 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-12 16:50:05,461 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-12 16:50:05,461 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 16:50:05,462 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 16:50:05,462 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 16:50:05,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:05,648 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-12 16:50:05,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:05,715 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:05,754 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-12 16:50:05,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:05,813 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:05,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05 WrapperNode [2024-09-12 16:50:05,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:05,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:05,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:05,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:05,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,862 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 16:50:05,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:05,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:05,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:05,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:05,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (1/1) ... [2024-09-12 16:50:05,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:05,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 16:50:05,934 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 16:50:05,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:05,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 16:50:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:06,066 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:06,068 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:06,094 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:06,127 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:07,962 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:08,062 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:08,063 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:08,098 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:08,098 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:50:08,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:08 BoogieIcfgContainer [2024-09-12 16:50:08,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:08,101 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:08,101 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:08,104 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:08,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:50:03" (1/4) ... [2024-09-12 16:50:08,105 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a7fec74 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:08, skipping insertion in model container [2024-09-12 16:50:08,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:05" (2/4) ... [2024-09-12 16:50:08,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a7fec74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:08, skipping insertion in model container [2024-09-12 16:50:08,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:05" (3/4) ... [2024-09-12 16:50:08,106 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a7fec74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:08, skipping insertion in model container [2024-09-12 16:50:08,106 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:08" (4/4) ... [2024-09-12 16:50:08,107 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-12 16:50:08,113 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:50:08,114 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:08,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-12 16:50:08,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:08,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-12 16:50:08,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-12 16:50:08,115 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:08,116 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-12 16:50:08,116 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:50:08,116 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 16:50:08,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-12 16:50:08,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:50:08,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-12 16:50:08,117 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:08,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:08,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-12 16:50:08,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:08,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-12 16:50:08,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-12 16:50:08,119 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:08,119 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-12 16:50:08,203 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:08,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,205 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,220 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:08,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,227 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,242 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:08,289 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-12 16:50:08,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,399 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-12 16:50:08,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,426 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:08,459 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 16:50:08,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,460 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,471 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 16:50:08,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,514 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:50:08,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,523 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:50:08,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,529 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,552 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-12 16:50:08,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,597 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-12 16:50:08,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,611 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,632 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:08,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,633 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,638 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:08,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,641 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,665 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 16:50:08,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,700 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 16:50:08,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,704 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,729 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 16:50:08,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,758 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 16:50:08,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,759 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,764 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,782 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 16:50:08,782 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,783 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,784 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 16:50:08,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,785 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,787 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,813 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-12 16:50:08,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,813 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,853 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-12 16:50:08,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,866 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,885 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:50:08,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,898 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:50:08,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,899 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,903 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:08,927 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-12 16:50:08,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:08,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:08,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:08,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:08,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,990 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-12 16:50:08,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:08,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:08,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:08,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:08,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:08,995 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:09,016 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:09,016 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,017 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,018 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:09,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,018 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,020 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:09,035 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:09,035 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,037 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:09,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,038 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,040 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:09,058 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-12 16:50:09,058 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,058 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,058 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,110 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-12 16:50:09,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,119 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,336 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:09,396 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:09,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,396 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,396 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,396 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,397 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:09,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,402 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:09,417 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:09,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,421 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:09,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,421 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,423 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:09,438 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:09,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,444 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:09,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,444 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,444 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,444 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,444 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,452 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:09,467 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:09,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:09,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:09,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:09,468 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:09,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,471 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:09,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:09,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:09,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:09,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:09,472 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:09,477 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:09,486 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 16:50:09,487 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a7fec74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:09, skipping insertion in model container [2024-09-12 16:50:09,487 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:09,489 INFO L158 Benchmark]: Toolchain (without parser) took 4054.97ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 40.0MB in the beginning and 20.2MB in the end (delta: 19.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-09-12 16:50:09,490 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:09,491 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:09,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.97ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 53.5MB in the end (delta: -13.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:09,492 INFO L158 Benchmark]: Boogie Preprocessor took 77.87ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:09,492 INFO L158 Benchmark]: RCFGBuilder took 2203.93ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 50.3MB in the end (delta: 425.2kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-09-12 16:50:09,494 INFO L158 Benchmark]: Referee took 1386.97ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.3MB in the beginning and 20.2MB in the end (delta: 30.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-09-12 16:50:09,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 30 to loop head at line 38. One counterexample starts in \old(counter)=0, counter=2147483647, h=0, n=0, p=0, q=0, r=0 and ends in \old(counter)=0, counter=-2147483648, q=0. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.7MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.97ms. Allocated memory is still 73.4MB. Free memory was 39.6MB in the beginning and 53.5MB in the end (delta: -13.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.87ms. Allocated memory is still 73.4MB. Free memory was 53.5MB in the beginning and 51.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2203.93ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 50.3MB in the end (delta: 425.2kB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Referee took 1386.97ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 50.3MB in the beginning and 20.2MB in the end (delta: 30.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:09,567 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE