This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:30,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:30,648 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:30,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:30,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:30,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:30,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:30,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:30,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:30,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:30,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:30,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:30,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:30,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:30,686 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:30,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:30,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:30,687 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:30,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:30,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:30,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:30,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:30,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:30,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:30,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:30,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:30,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:30,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:30,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:30,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:30,697 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:30,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:30,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:30,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:30,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:30,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:30,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:30,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:30,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:30,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:30,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:30,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:30,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:30,701 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:30,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:30,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:30,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:30,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:30,973 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:30,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c [2024-09-21 19:06:32,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:32,558 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:32,561 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_4-2_abstracted.c [2024-09-21 19:06:32,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5e14f5e7c/c782b36b7cac40a49901cfcaae1e9cbd/FLAGfb3ee6c11 [2024-09-21 19:06:32,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5e14f5e7c/c782b36b7cac40a49901cfcaae1e9cbd [2024-09-21 19:06:32,942 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:32,942 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:32,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/simple_4-2_abstracted.yml/output/witness-2.1.yml [2024-09-21 19:06:32,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:32,992 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:32,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:32,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:32,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:33,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:32" (1/2) ... [2024-09-21 19:06:33,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff51e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:32" (1/2) ... [2024-09-21 19:06:33,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e66be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:32" (2/2) ... [2024-09-21 19:06:33,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff51e0d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:32" (2/2) ... [2024-09-21 19:06:33,012 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:33,016 INFO L1541 ArrayList]: Function contract at [L22]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:33,016 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:33,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:33,199 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/loop-acceleration/simple_4-2_abstracted.c[740,753] [2024-09-21 19:06:33,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:33,222 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:33,263 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/loop-acceleration/simple_4-2_abstracted.c[740,753] Start Parsing Global Start Parsing Global [2024-09-21 19:06:33,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:33,279 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:33,279 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:33 WrapperNode [2024-09-21 19:06:33,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:33,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:33,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:33,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:33,294 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,295 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,301 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,310 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:33,310 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,311 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,331 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,333 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,333 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,334 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:33,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:33,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:33,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:33,346 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 21.09 07:06:33" (1/1) ... [2024-09-21 19:06:33,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:33,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:33,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:06:33,415 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:06:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:33,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2024-09-21 19:06:33,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2024-09-21 19:06:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2024-09-21 19:06:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulonglong [2024-09-21 19:06:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:06:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:33,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:33,528 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:33,530 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:33,559 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:33,619 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:33,636 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:33,669 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:33,670 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:06:33,670 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:33 BoogieIcfgContainer [2024-09-21 19:06:33,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:33,671 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:33,672 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:33,672 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:33,673 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:32" (1/4) ... [2024-09-21 19:06:33,674 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1bb381ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,674 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:32" (2/4) ... [2024-09-21 19:06:33,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1bb381ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,675 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 21.09 07:06:33" (3/4) ... [2024-09-21 19:06:33,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1bb381ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,675 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:33" (4/4) ... [2024-09-21 19:06:33,677 INFO L79 RefereeObserver]: Analyzing ICFG simple_4-2_abstracted.c [2024-09-21 19:06:33,680 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:06:33,681 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:06:33,681 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:06:33,681 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:33,682 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:33,682 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:33,682 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:06:33,722 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:06:33,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:33,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:33,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:33,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:33,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,759 INFO L101 BaseMinimizeStates]: Removed 17 edges and 4 locations by large block encoding [2024-09-21 19:06:33,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:33,763 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:33,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:33,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:33,789 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:33,800 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 19:06:33,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:33,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:33,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:33,805 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:33,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,811 INFO L101 BaseMinimizeStates]: Removed 12 edges and 3 locations by large block encoding [2024-09-21 19:06:33,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:33,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:33,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:33,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:33,821 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:33,830 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:33,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:33,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:33,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:33,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:33,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,833 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:33,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:33,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:33,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:33,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:33,837 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:33,842 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:33,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:33,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:33,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:33,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:33,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,846 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:33,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:33,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:33,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:33,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:33,849 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:33,859 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:33,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:33,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:33,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:33,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:33,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,861 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:33,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:33,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:33,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:33,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:33,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:33,879 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:33,880 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1bb381ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:33, skipping insertion in model container [2024-09-21 19:06:33,880 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:33,882 INFO L158 Benchmark]: Toolchain (without parser) took 888.88ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 112.7MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:33,882 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:33,883 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:33,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.22ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:33,884 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 161.5MB. Free memory was 79.4MB in the beginning and 134.7MB in the end (delta: -55.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-21 19:06:33,885 INFO L158 Benchmark]: RCFGBuilder took 329.83ms. Allocated memory is still 161.5MB. Free memory was 134.7MB in the beginning and 123.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:33,885 INFO L158 Benchmark]: Referee took 208.71ms. Allocated memory is still 161.5MB. Free memory was 123.8MB in the beginning and 112.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:06:33,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 17. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 29. 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 exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 62.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.22ms. Allocated memory is still 161.5MB. Free memory was 92.3MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 161.5MB. Free memory was 79.4MB in the beginning and 134.7MB in the end (delta: -55.3MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 329.83ms. Allocated memory is still 161.5MB. Free memory was 134.7MB in the beginning and 123.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 208.71ms. Allocated memory is still 161.5MB. Free memory was 123.8MB in the beginning and 112.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:33,921 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...