./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound2.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/hard2_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound2.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 00:29:36,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:36,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:36,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:36,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:36,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:36,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:36,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:36,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:36,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:36,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:36,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:36,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:36,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:36,988 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:36,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:36,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:36,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:36,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:36,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:36,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:36,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:36,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:36,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:36,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:36,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:36,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:36,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:36,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:36,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:36,995 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:36,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:36,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:37,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:37,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:37,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:37,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:37,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:37,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:37,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:37,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:37,005 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:37,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:37,005 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:37,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:37,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:37,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:37,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:37,296 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:37,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-25 00:29:38,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:38,843 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:38,845 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-25 00:29:38,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ed07c07fa/cf81a595360c444cb0c04ed208941857/FLAGeec711526 [2024-09-25 00:29:39,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ed07c07fa/cf81a595360c444cb0c04ed208941857 [2024-09-25 00:29:39,243 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:39,243 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:39,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound2.yml/witness-2.1.yml [2024-09-25 00:29:39,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:39,290 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:39,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:39,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:39,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:39,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:39" (1/2) ... [2024-09-25 00:29:39,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2733b692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:39, skipping insertion in model container [2024-09-25 00:29:39,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:39" (1/2) ... [2024-09-25 00:29:39,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58706fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:39, skipping insertion in model container [2024-09-25 00:29:39,302 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 12:29:39" (2/2) ... [2024-09-25 00:29:39,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2733b692 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:39, skipping insertion in model container [2024-09-25 00:29:39,302 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 12:29:39" (2/2) ... [2024-09-25 00:29:39,310 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:39,311 INFO L1541 ArrayList]: Loop invariant at [L34-L42] (((((((((A == r) && (p == 2)) && (1 <= r)) && (d == 2)) && (r <= 2)) && (q == 0)) && (B == 1)) || (((((((0 <= A) && (A == r)) && (d == 1)) && (r <= 2)) && (q == 0)) && (B == 1)) && (p == 1))) || ((((((A == 2) && (r == 2)) && (d == 4)) && (q == 0)) && (B == 1)) && (p == 4))) [2024-09-25 00:29:39,311 INFO L1541 ArrayList]: Loop invariant at [L44-L56] (((((((((((r == 0) && (A == 2)) && (q == 2)) && (d == 1)) && (B == 1)) && (p == 1)) || (((((A == r) && (p == 2)) && (d == 2)) && (q == 0)) && (B == 1))) || ((((((r == 0) && (A == 2)) && (q == 2)) && (p == 2)) && (d == 2)) && (B == 1))) || (((((A == ((long long) r + 1)) && (d == 1)) && (B == 1)) && (q == 1)) && (p == 1))) || (((((A == r) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) || ((((((A == 2) && (r == 2)) && (d == 4)) && (q == 0)) && (B == 1)) && (p == 4))) [2024-09-25 00:29:39,312 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (cond != 0) [2024-09-25 00:29:39,312 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:29:39,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:39,481 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/hard2_valuebound2.c[526,539] [2024-09-25 00:29:39,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:39,510 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:39,546 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/hard2_valuebound2.c[526,539] Start Parsing Local Start Parsing Local [2024-09-25 00:29:39,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:39,582 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:39,582 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:39 WrapperNode [2024-09-25 00:29:39,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:39,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:39,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:39,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:39,618 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,622 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,637 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,683 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 00:29:39,683 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,685 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,692 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,695 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,699 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,700 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:39,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:39,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:39,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:39,707 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 12:29:39" (1/1) ... [2024-09-25 00:29:39,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:39,739 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 00:29:39,741 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 00:29:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:39,779 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:39,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:39,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:39,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:39,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:39,840 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:39,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:40,032 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:40,049 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:40,092 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:40,093 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:29:40,093 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:40 BoogieIcfgContainer [2024-09-25 00:29:40,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:40,094 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:40,095 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:40,096 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:40,096 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:39" (1/4) ... [2024-09-25 00:29:40,096 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de50285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:40, skipping insertion in model container [2024-09-25 00:29:40,098 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 12:29:39" (2/4) ... [2024-09-25 00:29:40,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de50285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:40, skipping insertion in model container [2024-09-25 00:29:40,098 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 12:29:39" (3/4) ... [2024-09-25 00:29:40,099 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de50285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:40, skipping insertion in model container [2024-09-25 00:29:40,099 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 12:29:40" (4/4) ... [2024-09-25 00:29:40,100 INFO L79 RefereeObserver]: Analyzing ICFG hard2_valuebound2.c [2024-09-25 00:29:40,104 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:29:40,105 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:40,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:29:40,105 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-25 00:29:40,106 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 00:29:40,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:40,106 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 00:29:40,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:40,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:29:40,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:40,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:40,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:40,107 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 00:29:40,107 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 00:29:40,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:40,107 INFO L131 InvariantChecker]: Will check 7 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:29:40,153 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:40,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,155 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,168 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:40,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,174 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,189 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:40,223 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:29:40,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,261 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:29:40,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,281 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:40,291 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 00:29:40,292 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,306 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 00:29:40,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,313 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:40,328 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 00:29:40,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,338 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-25 00:29:40,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,343 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,351 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:40,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,352 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,354 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:40,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,357 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,365 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:29:40,366 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,378 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:29:40,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,385 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,400 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:40,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,407 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:40,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,411 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,419 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:40,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,423 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:40,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,426 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:40,436 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:40,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,448 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:40,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,449 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,452 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:40,459 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:40,460 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,460 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,460 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,460 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,462 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:40,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,462 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,465 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,482 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:40,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,486 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:40,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,494 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,506 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:40,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,509 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:40,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,512 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:40,525 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:40,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,527 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:40,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,530 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:40,542 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:40,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:40,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:40,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:40,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:40,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,547 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:40,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:40,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:40,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:40,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:40,548 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:40,551 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:40,569 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:29:40,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3de50285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:40, skipping insertion in model container [2024-09-25 00:29:40,570 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:40,571 INFO L158 Benchmark]: Toolchain (without parser) took 1280.88ms. Allocated memory is still 176.2MB. Free memory was 105.4MB in the beginning and 146.5MB in the end (delta: -41.1MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:40,572 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 133.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:40,572 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:40,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.75ms. Allocated memory is still 176.2MB. Free memory was 105.3MB in the beginning and 91.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:29:40,573 INFO L158 Benchmark]: Boogie Preprocessor took 121.71ms. Allocated memory is still 176.2MB. Free memory was 91.2MB in the beginning and 146.8MB in the end (delta: -55.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-09-25 00:29:40,573 INFO L158 Benchmark]: RCFGBuilder took 387.64ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 130.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:40,574 INFO L158 Benchmark]: Referee took 475.67ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 146.5MB in the end (delta: -15.7MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:40,579 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. 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 16. 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 44 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to loop head at line 44. 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 34 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory was 133.3MB in the beginning and 133.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.75ms. Allocated memory is still 176.2MB. Free memory was 105.3MB in the beginning and 91.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.71ms. Allocated memory is still 176.2MB. Free memory was 91.2MB in the beginning and 146.8MB in the end (delta: -55.6MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 387.64ms. Allocated memory is still 176.2MB. Free memory was 146.8MB in the beginning and 130.8MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 475.67ms. Allocated memory is still 176.2MB. Free memory was 130.8MB in the beginning and 146.5MB in the end (delta: -15.7MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:29:40,610 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE