./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c 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/lcm2_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:53,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:53,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:53,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:53,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:53,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:53,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:53,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:53,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:53,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:53,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:53,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:53,302 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:53,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:53,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:53,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:53,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:53,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:53,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:53,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:53,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:53,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:53,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:53,308 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:53,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:53,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:53,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:53,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:53,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:53,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:53,583 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:53,584 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:53,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-10-15 15:32:53,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:53,633 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:53,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-10-15 15:32:54,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:55,074 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:55,075 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-10-15 15:32:55,082 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/10bd7fdee/235cb69dc5c3487496f7f0fa168392ee/FLAGee3d01077 [2024-10-15 15:32:55,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/10bd7fdee/235cb69dc5c3487496f7f0fa168392ee [2024-10-15 15:32:55,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:55,104 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:55,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:55,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:55,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:55,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:53" (1/2) ... [2024-10-15 15:32:55,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74be1009 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:53" (1/2) ... [2024-10-15 15:32:55,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2edf9feb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:55" (2/2) ... [2024-10-15 15:32:55,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74be1009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:55" (2/2) ... [2024-10-15 15:32:55,124 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:55,124 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-10-15 15:32:55,126 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:55,126 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:32:55,127 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:55,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:55,289 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/lcm2_unwindbound10.c[537,550] [2024-10-15 15:32:55,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:55,314 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:55,349 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/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:32:55,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:55,380 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:55,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55 WrapperNode [2024-10-15 15:32:55,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:55,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:55,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:55,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:55,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,399 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:55,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:55,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:55,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:55,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:55,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,421 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 [2024-10-15 15:32:55,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:55,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:55,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:55,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:55,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (1/1) ... [2024-10-15 15:32:55,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:55,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:55,472 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) [2024-10-15 15:32:55,474 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 [2024-10-15 15:32:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:55,570 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:55,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:55,625 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:55,631 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:55,790 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:55,812 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:55,829 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:55,830 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:55,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:55 BoogieIcfgContainer [2024-10-15 15:32:55,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:55,830 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:55,830 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:55,833 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:55,833 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:53" (1/4) ... [2024-10-15 15:32:55,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c508876 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,833 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:55" (2/4) ... [2024-10-15 15:32:55,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c508876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:55" (3/4) ... [2024-10-15 15:32:55,834 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c508876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:55, skipping insertion in model container [2024-10-15 15:32:55,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:55" (4/4) ... [2024-10-15 15:32:55,835 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-10-15 15:32:55,838 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:55,838 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. [2024-10-15 15:32:55,838 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:55,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:55,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:32:55,839 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:55,839 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:55,840 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:55,840 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:55,841 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:55,841 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:55,841 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:55,841 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:55,841 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:55,841 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:32:55,888 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:55,888 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:55,889 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:55,889 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:55,891 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:55,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,899 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:55,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:55,900 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:55,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:55,902 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:55,913 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:55,934 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:55,934 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:55,934 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:55,934 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:55,934 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:55,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,936 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:55,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:55,936 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:55,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:55,936 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:55,939 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:55,950 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:55,950 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:55,950 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:55,951 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:55,957 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:55,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,975 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:55,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:55,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:55,976 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:55,976 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:55,976 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:59,981 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:00,005 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:00,005 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,005 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,006 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,006 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,006 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:00,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,007 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,007 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,007 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,007 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,008 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:00,019 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:00,019 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,019 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,020 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,020 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,021 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:00,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,023 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,023 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,027 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:00,039 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:00,039 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,039 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,039 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,040 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,067 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:00,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,068 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,069 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,070 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:00,080 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:00,080 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,080 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,080 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,080 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,093 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:00,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,094 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,094 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,101 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,109 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:04,118 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:04,119 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,119 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,119 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,119 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,119 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:04,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,120 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,120 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,125 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:04,132 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:04,133 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,133 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,133 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,135 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,137 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:04,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,137 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,138 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,140 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:04,147 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:04,147 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,147 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,147 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,148 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,148 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:04,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,149 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,149 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,151 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:04,157 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:04,158 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,158 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,158 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,158 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,160 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:04,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,161 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,161 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,162 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:04,168 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:04,168 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,168 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,168 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,168 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,171 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:04,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,171 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,171 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,173 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:04,179 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:04,179 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,179 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,179 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,179 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,193 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:04,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,193 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,201 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:08,205 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:08,210 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:08,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c508876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:08, skipping insertion in model container [2024-10-15 15:33:08,210 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:08,211 INFO L158 Benchmark]: Toolchain (without parser) took 13106.81ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 53.9MB in the end (delta: 3.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:08,212 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:08,212 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 30.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:08,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.13ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 42.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:08,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.12ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 41.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:08,213 INFO L158 Benchmark]: Boogie Preprocessor took 41.57ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 40.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:08,213 INFO L158 Benchmark]: RCFGBuilder took 387.38ms. Allocated memory is still 77.6MB. Free memory was 40.2MB in the beginning and 44.3MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:08,213 INFO L158 Benchmark]: Referee took 12379.75ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 53.9MB in the end (delta: -9.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:08,217 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. 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 entry of procedure main to check that procedure precondition always holds at line 28. 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 entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 30.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.13ms. Allocated memory is still 77.6MB. Free memory was 57.8MB in the beginning and 42.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.12ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 41.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.57ms. Allocated memory is still 77.6MB. Free memory was 41.9MB in the beginning and 40.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.38ms. Allocated memory is still 77.6MB. Free memory was 40.2MB in the beginning and 44.3MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 12379.75ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 53.9MB in the end (delta: -9.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:08,243 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/lcm2_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:09,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:09,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:09,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:09,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:10,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:10,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:10,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:10,013 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:10,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:10,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:10,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:10,016 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:10,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:10,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:10,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:10,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:10,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:10,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:10,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:10,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:10,020 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:10,021 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:10,021 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:10,021 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:10,021 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:10,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:10,022 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:10,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:10,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:10,022 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:10,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:10,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:10,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:10,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:10,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:10,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:10,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:10,321 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:10,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-10-15 15:33:11,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:11,738 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:11,739 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-10-15 15:33:11,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/07d3d5714/05d8debd142c4ba285af0aa06f40a662/FLAG0189ef5cd [2024-10-15 15:33:12,148 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/07d3d5714/05d8debd142c4ba285af0aa06f40a662 [2024-10-15 15:33:12,151 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:12,152 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:12,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-10-15 15:33:12,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:12,199 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:12,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:12,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:12,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:12,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/2) ... [2024-10-15 15:33:12,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d37bd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/2) ... [2024-10-15 15:33:12,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70995b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:12" (2/2) ... [2024-10-15 15:33:12,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d37bd1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:12, skipping insertion in model container [2024-10-15 15:33:12,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:12" (2/2) ... [2024-10-15 15:33:12,217 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:12,217 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-10-15 15:33:12,219 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:33:12,220 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:12,220 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:12,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:12,383 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/lcm2_unwindbound10.c[537,550] [2024-10-15 15:33:12,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:12,426 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:12,460 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/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:12,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:12,492 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:12,493 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:12 WrapperNode [2024-10-15 15:33:12,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:12,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:12,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:12,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:12,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,513 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:12,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:12,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:12,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:12,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:12,523 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,523 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,525 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,534 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 [2024-10-15 15:33:12,535 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,535 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,540 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,546 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,551 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,552 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:12,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:12,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:12,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:12,556 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 15.10 03:33:12" (1/1) ... [2024-10-15 15:33:12,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:12,581 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) [2024-10-15 15:33:12,583 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 [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:12,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:12,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:12,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:12,675 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:12,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:12,754 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:12,767 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:13,110 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:13,126 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:13,150 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:13,150 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:13,150 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:13 BoogieIcfgContainer [2024-10-15 15:33:13,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:13,151 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:13,151 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:13,151 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:13,152 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:12" (1/4) ... [2024-10-15 15:33:13,152 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55815d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:13, skipping insertion in model container [2024-10-15 15:33:13,152 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:33:12" (2/4) ... [2024-10-15 15:33:13,152 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55815d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:13, skipping insertion in model container [2024-10-15 15:33:13,152 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 15.10 03:33:12" (3/4) ... [2024-10-15 15:33:13,153 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55815d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:13, skipping insertion in model container [2024-10-15 15:33:13,153 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:13" (4/4) ... [2024-10-15 15:33:13,154 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-10-15 15:33:13,156 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:13,157 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. [2024-10-15 15:33:13,157 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:13,157 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:13,157 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:33:13,157 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:13,158 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:13,161 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:13,161 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:13,161 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:13,161 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:13,161 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:13,165 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:13,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:33:13,165 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:13,209 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:13,210 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,211 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,211 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,212 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,221 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:13,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,223 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,227 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:13,238 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:13,258 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:13,258 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,258 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,258 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,258 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,265 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:13,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,266 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,266 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:13,267 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:13,288 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:13,288 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,288 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,289 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,289 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,300 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:13,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,303 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,303 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,339 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:17,360 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:17,360 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,360 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,360 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,360 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,363 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:17,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,364 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,364 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,367 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:17,380 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:17,386 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,386 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,386 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,386 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,387 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:17,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,387 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,388 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,389 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:17,402 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:17,402 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,403 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,403 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,403 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,421 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:17,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,422 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,423 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:17,424 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:17,432 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:17,433 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:17,433 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:17,433 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:17,434 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:17,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,445 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:17,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:17,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:17,446 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:17,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:17,448 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,484 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:21,505 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:21,505 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:21,505 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:21,505 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:21,505 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:21,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,506 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:21,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,506 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:21,506 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:21,506 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:21,506 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,508 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:21,519 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:21,520 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:21,520 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:21,520 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:21,520 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:21,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,522 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:21,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:21,522 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:21,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:21,522 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,524 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:21,529 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:21,530 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:21,530 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:21,530 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:21,530 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:21,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,531 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:21,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:21,531 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:21,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:21,532 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,533 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:21,539 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:21,539 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:21,539 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:21,539 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:21,539 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:21,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,541 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:21,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:21,541 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:21,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:21,541 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:21,542 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:21,551 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:21,551 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:21,551 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:21,552 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:21,552 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:21,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,554 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:21,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:21,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:21,555 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:21,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:21,555 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:25,576 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:25,589 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:25,589 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:25,589 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:25,589 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:25,589 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:25,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:25,601 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:25,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:25,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:25,601 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:25,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:25,605 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:29,684 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:29,710 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:29,710 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55815d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:29, skipping insertion in model container [2024-10-15 15:33:29,711 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:29,712 INFO L158 Benchmark]: Toolchain (without parser) took 17511.98ms. Allocated memory is still 90.2MB. Free memory was 57.5MB in the beginning and 40.7MB in the end (delta: 16.8MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:29,713 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:29,713 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 90.2MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:29,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.76ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 65.6MB in the end (delta: -8.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:29,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.40ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 64.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:29,714 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 62.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:29,714 INFO L158 Benchmark]: RCFGBuilder took 595.81ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 46.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:29,715 INFO L158 Benchmark]: Referee took 16559.80ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 40.7MB in the end (delta: 6.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:29,717 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 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 60.8MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 45.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 90.2MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.76ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 65.6MB in the end (delta: -8.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.40ms. Allocated memory is still 90.2MB. Free memory was 65.6MB in the beginning and 64.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 90.2MB. Free memory was 64.4MB in the beginning and 62.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.81ms. Allocated memory is still 90.2MB. Free memory was 62.7MB in the beginning and 46.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16559.80ms. Allocated memory is still 90.2MB. Free memory was 46.7MB in the beginning and 40.7MB in the end (delta: 6.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:29,752 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 Result: UNKNOWN