This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:53,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:53,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:53,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:53,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:53,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:53,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:53,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:53,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:53,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:53,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:53,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:53,895 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:53,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:53,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:53,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:53,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:53,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:53,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:53,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:53,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:53,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:53,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:53,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:53,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:53,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:53,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:53,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:53,902 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:53,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:53,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:53,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:54,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:54,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:54,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:54,236 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:54,237 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:54,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-10-15 15:32:54,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:54,291 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:54,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-10-15 15:32:55,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:55,952 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:55,953 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-10-15 15:32:55,960 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c3232598/e84ec08288a94ddca66116a8237f4f18/FLAGcfa4967c7 [2024-10-15 15:32:55,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c3232598/e84ec08288a94ddca66116a8237f4f18 [2024-10-15 15:32:55,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:55,977 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:55,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:55,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:55,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:55,986 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 03:32:54" (1/2) ... [2024-10-15 15:32:55,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e261bb1 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 15:32:55,987 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 03:32:54" (1/2) ... [2024-10-15 15:32:55,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6668114e 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 15:32:55,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:55" (2/2) ... [2024-10-15 15:32:55,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e261bb1 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 15:32:55,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:55" (2/2) ... [2024-10-15 15:32:55,995 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:55,997 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 15:32:55,998 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:55,998 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:32:55,998 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:56,016 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:56,170 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_unwindbound100.c[537,550] [2024-10-15 15:32:56,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:56,193 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:56,223 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:32:56,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:56,251 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:56,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56 WrapperNode [2024-10-15 15:32:56,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:56,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:56,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:56,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:56,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,278 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:56,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:56,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:56,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:56,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:56,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,289 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,294 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 15:32:56,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:56,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:56,303 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:56,303 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:56,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:56,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:56,339 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 15:32:56,342 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 15:32:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:56,426 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:56,428 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:56,507 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:56,513 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:56,651 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:56,662 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:56,681 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:56,682 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:56,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:56 BoogieIcfgContainer [2024-10-15 15:32:56,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:56,683 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:56,683 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:56,684 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:56,684 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 03:32:54" (1/4) ... [2024-10-15 15:32:56,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ac1cc82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,684 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:55" (2/4) ... [2024-10-15 15:32:56,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ac1cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (3/4) ... [2024-10-15 15:32:56,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ac1cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:56" (4/4) ... [2024-10-15 15:32:56,686 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-10-15 15:32:56,689 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:56,690 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 15:32:56,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:56,690 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 15:32:56,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:32:56,690 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:56,690 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 15:32:56,691 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 15:32:56,691 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 15:32:56,691 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 15:32:56,691 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 15:32:56,691 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:56,691 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 15:32:56,692 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 15:32:56,692 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:56,731 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:56,732 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:56,733 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:56,733 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:56,734 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:56,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,745 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:56,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:56,747 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:56,748 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:56,750 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:56,766 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 15:32:56,785 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:56,785 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:56,785 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:56,786 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:56,786 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:56,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,787 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:56,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,788 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:56,788 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:56,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:56,788 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:56,790 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:56,814 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:56,814 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:56,814 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:56,814 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:56,815 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:56,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,826 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:56,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:56,827 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:56,827 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:56,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:56,827 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,833 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:00,851 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:00,852 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,852 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,852 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,853 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,854 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:00,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,855 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,855 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,857 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:00,876 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:00,880 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,880 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,880 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,880 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,881 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:00,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,882 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,883 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,885 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:00,897 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:00,897 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,897 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,897 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,898 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,921 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:00,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,922 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,922 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:00,923 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:00,932 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:00,932 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:00,932 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:00,932 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:00,932 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:00,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,946 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:00,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:00,946 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:00,946 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:00,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:00,949 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,953 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:04,974 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:04,974 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,974 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,974 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,974 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,975 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:04,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,975 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,975 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,982 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:04,988 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:04,988 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:04,988 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:04,989 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:04,989 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:04,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,990 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:04,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:04,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:04,991 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:04,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:04,991 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:04,992 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:05,004 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:05,004 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,004 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,004 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,004 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,005 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:05,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,005 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,005 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,006 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,011 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:05,019 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:05,019 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,019 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,019 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,019 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,021 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:05,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,021 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,022 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,023 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:05,031 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:05,031 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,031 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,031 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,031 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,035 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:05,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,036 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,036 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,039 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:05,045 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:05,046 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,046 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,046 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,046 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,071 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:05,072 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,072 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,072 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,078 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:09,082 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:09,090 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:09,091 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@ac1cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:09, skipping insertion in model container [2024-10-15 15:33:09,091 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:09,093 INFO L158 Benchmark]: Toolchain (without parser) took 13115.24ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 38.5MB in the beginning and 49.3MB in the end (delta: -10.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,093 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 29.8MB in the beginning and 29.7MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,094 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 46.1MB. Free memory is still 27.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.02ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 41.3MB in the end (delta: -3.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.50ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 40.4MB in the end (delta: 969.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,095 INFO L158 Benchmark]: Boogie Preprocessor took 23.05ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,095 INFO L158 Benchmark]: RCFGBuilder took 379.96ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 38.9MB in the end (delta: -421.6kB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,096 INFO L158 Benchmark]: Referee took 12408.42ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 38.9MB in the beginning and 49.3MB in the end (delta: -10.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,098 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 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. 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. 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 main to check that procedure precondition always holds at line 25. 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 loop head at line 36. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 46.1MB. Free memory was 29.8MB in the beginning and 29.7MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.42ms. Allocated memory is still 46.1MB. Free memory is still 27.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.02ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 41.3MB in the end (delta: -3.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.50ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 40.4MB in the end (delta: 969.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.05ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.96ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 38.9MB in the end (delta: -421.6kB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Referee took 12408.42ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 38.9MB in the beginning and 49.3MB in the end (delta: -10.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:09,127 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:10,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:11,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:11,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:11,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:11,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:11,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:11,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:11,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:11,036 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:11,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:11,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:11,040 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:11,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:11,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:11,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:11,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:11,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:11,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:11,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:11,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:11,042 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:11,043 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:11,043 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:11,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:11,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:11,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:11,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:11,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:11,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:11,047 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:11,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:11,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:11,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:11,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:11,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:11,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:11,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:11,348 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:11,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-10-15 15:33:12,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:12,839 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:12,840 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-10-15 15:33:12,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dd02bc3ff/8d1d6bd321e24f47a9f4e6e194fd2b8a/FLAG04e0e8ab2 [2024-10-15 15:33:12,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dd02bc3ff/8d1d6bd321e24f47a9f4e6e194fd2b8a [2024-10-15 15:33:12,863 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:12,864 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:12,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-10-15 15:33:12,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:12,906 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:12,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:12,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:12,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:12,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/2) ... [2024-10-15 15:33:12,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56527702 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 15:33:12,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:12" (1/2) ... [2024-10-15 15:33:12,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32eb9e38 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 15:33:12,916 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 15:33:12,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56527702 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 15:33:12,916 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 15:33:12,922 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:12,924 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 15:33:12,925 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:12,925 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:12,925 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:33:12,940 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:13,065 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_unwindbound100.c[537,550] [2024-10-15 15:33:13,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:13,084 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:13,112 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_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:13,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:13,138 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:13,138 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:13 WrapperNode [2024-10-15 15:33:13,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:13,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:13,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:13,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:13,167 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,180 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,186 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:13,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:13,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:13,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:13,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:13,195 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,195 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,198 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,207 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 15:33:13,208 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,208 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,214 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,223 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,224 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,224 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:13,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:13,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:13,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:13,231 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 03:33:13" (1/1) ... [2024-10-15 15:33:13,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:13,264 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 15:33:13,266 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 15:33:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:13,375 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:13,378 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:13,463 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:13,477 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:13,799 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:13,810 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:13,840 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:13,841 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:13,841 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 15:33:13,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:13,842 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:13,843 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:13,843 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:13,844 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:12" (1/4) ... [2024-10-15 15:33:13,844 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69923d0b 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 15:33:13,845 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 15:33:13,846 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69923d0b 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 15:33:13,846 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 03:33:13" (3/4) ... [2024-10-15 15:33:13,846 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69923d0b 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 15:33:13,846 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 15:33:13,847 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-10-15 15:33:13,850 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:13,851 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 15:33:13,851 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:13,851 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 15:33:13,851 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:33:13,851 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:13,852 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 15:33:13,852 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 15:33:13,852 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 15:33:13,853 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 15:33:13,853 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 15:33:13,853 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:13,853 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 15:33:13,854 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 15:33:13,854 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:33:13,896 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:13,897 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,897 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,898 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,899 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,909 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:13,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,910 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,913 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:13,925 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 15:33:13,938 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:13,938 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,938 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,939 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,939 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,940 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:13,940 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,941 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,941 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,941 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:13,942 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:13,974 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:13,974 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:13,974 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:13,974 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:13,975 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:13,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,982 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:13,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:13,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:13,982 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:13,982 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:13,983 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:18,014 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:18,039 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:18,039 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:18,039 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:18,039 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:18,039 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:18,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,040 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:18,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:18,043 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:18,043 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:18,043 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:18,044 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:18,067 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:18,067 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:18,068 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:18,068 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:18,068 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:18,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,069 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:18,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:18,069 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:18,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:18,069 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:18,072 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:18,092 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:18,092 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:18,092 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:18,092 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:18,093 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:18,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,129 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:18,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:18,130 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:18,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:18,132 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:18,133 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:18,149 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:18,151 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:18,151 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:18,151 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:18,151 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:18,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,164 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:18,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:18,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:18,164 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:18,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:18,168 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:22,198 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:22,231 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:22,237 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:22,237 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:22,237 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:22,237 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:22,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,239 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:22,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:22,239 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:22,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:22,239 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:22,245 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:22,263 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:22,264 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:22,264 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:22,265 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:22,266 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:22,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,271 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:22,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:22,272 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:22,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:22,272 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:22,275 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:22,297 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:22,298 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:22,298 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:22,298 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:22,298 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:22,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,299 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:22,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:22,299 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:22,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:22,299 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:22,300 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:22,315 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:22,315 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:22,315 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:22,315 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:22,315 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:22,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,323 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:22,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:22,324 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:22,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:22,324 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:22,325 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:22,331 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:22,331 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:22,331 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:22,332 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:22,332 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:22,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,334 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:22,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:22,335 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:22,335 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:22,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:22,335 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:26,354 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:26,367 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:26,367 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:26,367 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:26,367 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:26,368 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:26,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,378 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:26,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:26,379 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:26,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:26,382 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,470 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:30,503 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:30,503 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69923d0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,503 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:30,505 INFO L158 Benchmark]: Toolchain (without parser) took 17597.52ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 55.3MB in the beginning and 89.4MB in the end (delta: -34.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,505 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:30,505 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 90.2MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:30,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.47ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 39.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.90ms. Allocated memory is still 90.2MB. Free memory was 39.9MB in the beginning and 67.7MB in the end (delta: -27.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,507 INFO L158 Benchmark]: Boogie Preprocessor took 42.99ms. Allocated memory is still 90.2MB. Free memory was 67.7MB in the beginning and 66.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,507 INFO L158 Benchmark]: RCFGBuilder took 611.35ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 49.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,507 INFO L158 Benchmark]: Referee took 16660.99ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 49.6MB in the beginning and 89.4MB in the end (delta: -39.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,509 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 entry of procedure main 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. 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 37. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 26. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 77.8kB). 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 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.47ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 39.9MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.90ms. Allocated memory is still 90.2MB. Free memory was 39.9MB in the beginning and 67.7MB in the end (delta: -27.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.99ms. Allocated memory is still 90.2MB. Free memory was 67.7MB in the beginning and 66.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.35ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 49.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16660.99ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 49.6MB in the beginning and 89.4MB in the end (delta: -39.7MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:30,550 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...