This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:36,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:37,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:37,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:37,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:37,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:37,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:37,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:37,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:37,049 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:37,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:37,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:37,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:37,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:37,053 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:37,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:37,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:37,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:37,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:37,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:37,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:37,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:37,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:37,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:37,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:37,058 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:37,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:37,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:37,059 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:37,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:37,059 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:37,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:37,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:37,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:37,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:37,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:37,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:37,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:37,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:37,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:37,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:37,062 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:37,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:37,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:37,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:37,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:37,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:37,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:37,380 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:37,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-13 10:10:38,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:39,160 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:39,160 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-13 10:10:39,169 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aaa95a01a/cd4eb1b9014a4ca4b3c510f4d4ea26de/FLAGe7e2ffd39 [2024-09-13 10:10:39,543 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aaa95a01a/cd4eb1b9014a4ca4b3c510f4d4ea26de [2024-09-13 10:10:39,546 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:39,547 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:39,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-13 10:10:39,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:39,601 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:39,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:39,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:39,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:39,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:39" (1/2) ... [2024-09-13 10:10:39,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783c9e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:39, skipping insertion in model container [2024-09-13 10:10:39,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:39" (1/2) ... [2024-09-13 10:10:39,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4eeac460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:39, skipping insertion in model container [2024-09-13 10:10:39,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:39" (2/2) ... [2024-09-13 10:10:39,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783c9e6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:39, skipping insertion in model container [2024-09-13 10:10:39,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:39" (2/2) ... [2024-09-13 10:10:39,619 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:39,620 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((__int128) x * 2) == (y + ((__int128) y * y))) && (\old(counter) == 0)) [2024-09-13 10:10:39,620 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:39,620 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:39,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:39,790 WARN L247 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/ps2-ll_unwindbound1.c[454,467] [2024-09-13 10:10:39,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:39,816 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:10:39,854 WARN L247 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/ps2-ll_unwindbound1.c[454,467] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:39,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:39,879 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:39,880 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:39 WrapperNode [2024-09-13 10:10:39,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:39,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:39,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:39,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:39,893 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,894 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,900 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,914 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 [2024-09-13 10:10:39,917 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,917 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,920 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,925 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,929 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,930 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:39,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:39,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:39,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:39,935 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 13.09 10:10:39" (1/1) ... [2024-09-13 10:10:39,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:39,970 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) [2024-09-13 10:10:39,979 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 [2024-09-13 10:10:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:10:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:40,112 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:40,118 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:40,172 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:40,299 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:40,312 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:40,347 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:40,347 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:40,348 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:40 BoogieIcfgContainer [2024-09-13 10:10:40,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:40,349 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:40,350 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:40,351 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:40,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:39" (1/4) ... [2024-09-13 10:10:40,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@179db285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:40, skipping insertion in model container [2024-09-13 10:10:40,352 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:39" (2/4) ... [2024-09-13 10:10:40,352 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@179db285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:40, skipping insertion in model container [2024-09-13 10:10:40,352 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 13.09 10:10:39" (3/4) ... [2024-09-13 10:10:40,352 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@179db285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:40, skipping insertion in model container [2024-09-13 10:10:40,353 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:40" (4/4) ... [2024-09-13 10:10:40,354 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound1.c [2024-09-13 10:10:40,358 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:40,359 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:40,360 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:40,360 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:10:40,360 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:10:40,360 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:40,361 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:40,361 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:40,361 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:40,361 INFO L130 InvariantChecker]: Will check 3 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, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:40,415 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:40,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,457 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:40,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,487 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:40,502 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:40,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,511 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:40,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,515 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,516 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,520 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:40,529 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:40,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,538 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:40,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,547 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:40,561 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:10:40,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,562 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,576 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:10:40,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,586 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:40,593 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:40,593 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:40,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,595 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,597 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:40,602 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:40,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,603 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,603 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,603 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,605 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:40,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,608 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:40,615 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:40,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,616 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,616 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,617 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:40,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,618 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,622 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:40,631 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:40,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:40,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:40,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:40,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:40,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,647 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:40,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:40,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:40,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:40,649 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:40,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:40,652 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:40,655 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:10:40,655 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@179db285 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:40, skipping insertion in model container [2024-09-13 10:10:40,655 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:40,657 INFO L158 Benchmark]: Toolchain (without parser) took 1055.60ms. Allocated memory is still 146.8MB. Free memory was 108.4MB in the beginning and 85.1MB in the end (delta: 23.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:40,657 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 146.8MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:40,657 INFO L158 Benchmark]: Witness Parser took 1.28ms. Allocated memory is still 146.8MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:40,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.51ms. Allocated memory is still 146.8MB. Free memory was 107.8MB in the beginning and 94.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:40,658 INFO L158 Benchmark]: Boogie Preprocessor took 52.07ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:40,659 INFO L158 Benchmark]: RCFGBuilder took 414.64ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 111.5MB in the end (delta: -18.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:40,660 INFO L158 Benchmark]: Referee took 306.89ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 85.1MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:40,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 146.8MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.28ms. Allocated memory is still 146.8MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.51ms. Allocated memory is still 146.8MB. Free memory was 107.8MB in the beginning and 94.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.07ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.64ms. Allocated memory is still 146.8MB. Free memory was 92.6MB in the beginning and 111.5MB in the end (delta: -18.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 306.89ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 85.1MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:40,694 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...