./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 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:36,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:36,799 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:36,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:36,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:36,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:36,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:36,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:36,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:36,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:36,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:36,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:36,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:36,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:36,846 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:36,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:36,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:36,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:36,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:36,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:36,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:36,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:36,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:36,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:36,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:36,855 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:36,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:36,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:36,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:36,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:36,856 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:36,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:36,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:36,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:36,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:36,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:36,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:36,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:36,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:36,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:36,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:36,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:36,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:36,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:37,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:37,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:37,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:37,149 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:37,149 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:37,150 INFO L431 ainManager$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 [2024-09-25 00:28:37,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:37,247 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:37,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 00:28:38,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:38,877 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:38,878 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 00:28:38,885 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9270624d0/08734200d90c42a9aa8db4b685a6b104/FLAGd609259a7 [2024-09-25 00:28:39,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9270624d0/08734200d90c42a9aa8db4b685a6b104 [2024-09-25 00:28:39,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:39,271 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:39,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:39,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:39,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:39,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:37" (1/2) ... [2024-09-25 00:28:39,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d19db2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:37" (1/2) ... [2024-09-25 00:28:39,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3385f5c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:39" (2/2) ... [2024-09-25 00:28:39,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d19db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:39" (2/2) ... [2024-09-25 00:28:39,292 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:39,295 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)))) [2024-09-25 00:28:39,295 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-25 00:28:39,296 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:39,296 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:39,296 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:39,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:39,459 WARN L248 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] [2024-09-25 00:28:39,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:39,506 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:39,544 WARN L248 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 [2024-09-25 00:28:39,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:39,605 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:39,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39 WrapperNode [2024-09-25 00:28:39,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:39,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:39,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:39,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:39,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,635 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,652 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 [2024-09-25 00:28:39,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:39,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:39,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:39,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:39,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (1/1) ... [2024-09-25 00:28:39,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:39,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:39,715 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) [2024-09-25 00:28:39,723 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 [2024-09-25 00:28:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:39,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:39,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:39,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:39,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:39,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:39,833 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:39,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:39,855 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:39,883 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:40,187 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:40,227 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:40,263 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:40,266 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:40,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:40 BoogieIcfgContainer [2024-09-25 00:28:40,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:40,268 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:40,268 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:40,269 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:40,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:37" (1/4) ... [2024-09-25 00:28:40,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@166e0c44 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:39" (2/4) ... [2024-09-25 00:28:40,270 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@166e0c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,270 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39" (3/4) ... [2024-09-25 00:28:40,272 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@166e0c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,273 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:40" (4/4) ... [2024-09-25 00:28:40,274 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-25 00:28:40,278 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:40,279 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 00:28:40,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:40,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:28:40,279 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 00:28:40,280 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,281 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 00:28:40,281 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:40,281 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:28:40,282 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 00:28:40,282 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:28:40,282 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 00:28:40,282 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:40,282 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,283 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 00:28:40,283 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:40,283 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,283 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,283 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,284 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:28:40,378 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:40,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:40,380 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:40,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:40,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:40,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,390 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:40,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:40,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:40,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:40,395 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:40,413 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:40,472 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 00:28:40,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:40,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:40,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:40,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:40,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,589 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 00:28:40,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:40,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:40,591 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:40,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:40,622 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:40,655 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:40,655 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:40,655 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:40,655 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:40,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:40,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,668 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:40,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:40,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:40,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:40,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:40,676 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:40,710 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:28:40,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:40,711 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:40,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:40,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:40,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,726 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:28:40,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,727 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:40,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:40,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:40,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:40,730 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:40,780 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 00:28:40,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:40,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:40,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:40,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:40,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,828 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 00:28:40,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:40,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:40,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:40,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:40,841 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:44,846 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:44,880 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:44,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:44,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:44,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:44,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:44,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:44,893 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:44,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:44,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:44,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:44,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:44,894 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:44,900 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:44,926 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 00:28:44,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:44,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:44,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:44,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:44,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:44,960 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 00:28:44,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:44,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:44,962 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:44,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:44,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:44,970 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:44,994 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 00:28:44,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:44,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:44,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:44,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:44,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,019 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 00:28:45,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:45,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:45,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:45,020 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:45,025 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:45,047 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:45,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:45,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:45,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:45,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:45,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,050 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:45,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:45,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:45,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:45,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:45,054 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:45,081 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 00:28:45,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:45,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:45,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:45,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:45,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,149 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 00:28:45,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,150 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:45,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:45,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:45,161 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,165 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:49,188 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:28:49,188 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,202 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:28:49,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,206 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:49,226 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:28:49,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,294 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 00:28:49,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,297 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:49,313 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:49,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,315 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:49,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,317 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:49,332 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:49,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,334 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:49,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,337 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:49,355 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 00:28:49,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,356 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,356 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,356 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,425 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 00:28:49,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,445 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:53,473 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:53,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,475 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:53,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,480 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:53,504 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:53,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,505 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,505 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,510 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:53,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,514 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:53,533 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:53,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,542 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:53,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,544 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,548 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:53,563 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:53,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,568 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:53,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,569 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,569 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,569 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,571 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:53,574 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:53,576 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@166e0c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:53, skipping insertion in model container [2024-09-25 00:28:53,576 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:53,578 INFO L158 Benchmark]: Toolchain (without parser) took 14306.83ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 96.3MB in the beginning and 131.9MB in the end (delta: -35.7MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,578 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:53,579 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:53,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.26ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 81.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,580 INFO L158 Benchmark]: Boogie Preprocessor took 69.28ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 79.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,581 INFO L158 Benchmark]: RCFGBuilder took 588.37ms. Allocated memory is still 167.8MB. Free memory was 79.0MB in the beginning and 126.3MB in the end (delta: -47.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,582 INFO L158 Benchmark]: Referee took 13308.44ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 131.9MB in the end (delta: -5.7MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2024-09-25 00:28:53,585 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 58. 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. 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 39. 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 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 39. 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 main to check that procedure precondition always holds at line 24. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 41. 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 42. 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 43. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.12ms. Allocated memory is still 117.4MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.26ms. Allocated memory is still 167.8MB. Free memory was 96.0MB in the beginning and 81.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.28ms. Allocated memory is still 167.8MB. Free memory was 81.3MB in the beginning and 79.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 588.37ms. Allocated memory is still 167.8MB. Free memory was 79.0MB in the beginning and 126.3MB in the end (delta: -47.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Referee took 13308.44ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 131.9MB in the end (delta: -5.7MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:53,616 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:55,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:55,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:55,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:55,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:55,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:55,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:55,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:55,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:55,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:55,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:55,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:55,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:55,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:55,971 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:55,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:55,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:55,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:55,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:55,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:55,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:55,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:55,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:55,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:55,979 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:55,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:55,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:55,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:55,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:55,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:55,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:55,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:55,982 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:55,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:55,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:55,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:55,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:55,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:55,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:55,987 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:55,987 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:55,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:55,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:55,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:55,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:55,989 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:55,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:56,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:56,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:56,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:56,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:56,382 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:56,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 00:28:57,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:58,190 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:58,194 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 00:28:58,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d600a2eb1/ba848a84317d4e4696234e99002927c0/FLAG7c5347b7c [2024-09-25 00:28:58,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d600a2eb1/ba848a84317d4e4696234e99002927c0 [2024-09-25 00:28:58,241 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:58,243 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:58,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-25 00:28:58,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:58,311 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:58,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:58,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:58,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:58,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:58" (1/2) ... [2024-09-25 00:28:58,321 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444853ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:58" (1/2) ... [2024-09-25 00:28:58,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33db0d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:58" (2/2) ... [2024-09-25 00:28:58,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444853ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:58" (2/2) ... [2024-09-25 00:28:58,334 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:58,335 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-25 00:28:58,335 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)))) [2024-09-25 00:28:58,335 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:58,335 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:58,336 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:58,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:58,520 WARN L248 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] [2024-09-25 00:28:58,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:58,584 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:58,622 WARN L248 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 [2024-09-25 00:28:58,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:58,672 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:58,672 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:58 WrapperNode [2024-09-25 00:28:58,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:58,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:58,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:58,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:58,687 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,687 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,702 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,720 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 [2024-09-25 00:28:58,720 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,721 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,736 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,743 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,745 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,746 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:58,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:58,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:58,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:58,751 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 25.09 12:28:58" (1/1) ... [2024-09-25 00:28:58,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:58,792 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) [2024-09-25 00:28:58,799 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 [2024-09-25 00:28:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:58,931 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:58,934 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:58,961 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:58,993 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:01,260 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:01,332 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:01,367 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:01,367 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:29:01,368 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:01 BoogieIcfgContainer [2024-09-25 00:29:01,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:01,369 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:01,369 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:01,370 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:01,370 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:58" (1/4) ... [2024-09-25 00:29:01,370 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fde867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,371 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:58" (2/4) ... [2024-09-25 00:29:01,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fde867 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,371 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 25.09 12:28:58" (3/4) ... [2024-09-25 00:29:01,371 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fde867 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:01, skipping insertion in model container [2024-09-25 00:29:01,373 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:01" (4/4) ... [2024-09-25 00:29:01,375 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-25 00:29:01,383 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:29:01,385 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:01,386 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 00:29:01,386 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:01,386 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:29:01,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 00:29:01,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:01,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 00:29:01,387 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:01,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:01,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 00:29:01,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:01,388 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 00:29:01,388 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:29:01,389 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:01,390 INFO L131 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 [2024-09-25 00:29:01,489 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:01,490 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,491 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,508 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:01,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,536 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:01,585 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 00:29:01,586 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,586 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,586 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,586 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,688 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 00:29:01,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,689 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,689 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,710 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:01,739 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:01,740 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,751 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:01,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,752 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,752 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,800 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:29:01,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,801 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,812 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:29:01,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,818 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,844 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 00:29:01,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,896 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 00:29:01,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,910 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,934 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:01,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,935 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,935 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,940 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:01,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,941 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,941 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,943 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:01,966 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 00:29:01,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,967 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,015 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 00:29:02,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:02,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:02,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:02,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:02,024 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:02,052 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 00:29:02,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:02,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:02,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:02,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:02,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,075 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 00:29:02,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:02,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:02,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:02,077 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:02,083 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:02,101 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:02,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:02,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:02,101 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:02,101 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:02,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,103 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:02,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:02,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:02,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:02,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:02,106 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:02,130 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 00:29:02,130 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:02,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:02,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:02,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:02,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,181 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 00:29:02,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:02,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:02,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:02,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:02,894 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:02,969 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:02,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:02,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:02,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:02,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:02,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,981 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:02,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:02,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:02,982 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:02,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:02,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:02,984 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:03,003 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:29:03,003 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,004 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,071 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 00:29:03,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,073 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,077 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:03,092 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:03,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,094 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:03,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,097 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:03,112 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:03,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:03,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,119 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:03,138 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 00:29:03,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,139 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,139 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,184 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 00:29:03,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,185 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,185 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,470 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:03,563 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:03,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,566 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:03,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,571 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:03,587 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:03,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,591 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:03,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,592 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,596 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:03,612 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:03,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,618 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:03,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,618 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,619 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,622 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:03,637 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:03,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:03,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:03,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:03,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:03,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,640 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:03,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:03,640 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:03,640 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:03,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:03,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:03,648 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:03,657 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:29:03,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fde867 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:03, skipping insertion in model container [2024-09-25 00:29:03,658 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:03,659 INFO L158 Benchmark]: Toolchain (without parser) took 5347.55ms. Allocated memory was 69.2MB in the beginning and 117.4MB in the end (delta: 48.2MB). Free memory was 48.3MB in the beginning and 62.7MB in the end (delta: -14.4MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:03,660 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:03,660 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:03,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.63ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 32.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:03,661 INFO L158 Benchmark]: Boogie Preprocessor took 75.15ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 30.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:03,662 INFO L158 Benchmark]: RCFGBuilder took 2618.42ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 30.0MB in the beginning and 52.0MB in the end (delta: -21.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 00:29:03,662 INFO L158 Benchmark]: Referee took 2288.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 62.7MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:03,665 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, h=0, n=0, p=0, q=0, r=0. 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 40. 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 39. 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 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 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 42. 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 41. 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 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 38. 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 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 loop head at line 30 to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.63ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 32.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.15ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 30.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2618.42ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 30.0MB in the beginning and 52.0MB in the end (delta: -21.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 2288.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.0MB in the beginning and 62.7MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:29:03,780 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