This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:23,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:23,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:23,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:23,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:23,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:23,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:23,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:23,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:23,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:23,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:23,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:23,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:23,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:23,767 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:23,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:23,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:23,768 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:23,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:23,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:23,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:23,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:23,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:23,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:23,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:23,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:23,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:23,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:23,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:23,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:23,773 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:23,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:23,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:23,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:23,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:23,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:23,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:23,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:23,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:23,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:23,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:23,782 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:23,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:23,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:24,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:24,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:24,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:24,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:24,078 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:24,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-21 12:49:25,552 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:25,739 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:25,739 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-21 12:49:25,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/94c947f5d/7c47cb657bf1493f819439c856609546/FLAG004a19485 [2024-09-21 12:49:25,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/94c947f5d/7c47cb657bf1493f819439c856609546 [2024-09-21 12:49:25,762 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:25,763 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:25,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:49:25,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:25,811 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:25,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:25,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:25,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:25,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:25" (1/2) ... [2024-09-21 12:49:25,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b80673b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:25, skipping insertion in model container [2024-09-21 12:49:25,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:25" (1/2) ... [2024-09-21 12:49:25,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b088173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:25, skipping insertion in model container [2024-09-21 12:49:25,821 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 12:49:25" (2/2) ... [2024-09-21 12:49:25,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b80673b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:25, skipping insertion in model container [2024-09-21 12:49:25,823 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 12:49:25" (2/2) ... [2024-09-21 12:49:25,830 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:25,830 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-21 12:49:25,831 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:25,831 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:25,848 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:26,005 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/geo2-ll_unwindbound1.c[525,538] [2024-09-21 12:49:26,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:26,055 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:49:26,091 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/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:26,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:26,119 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:26,119 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:26 WrapperNode [2024-09-21 12:49:26,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:26,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:26,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:26,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:26,134 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,134 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,141 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,151 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 12:49:26,151 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,151 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,155 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,158 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,159 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,160 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:26,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:26,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:26,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:26,165 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 12:49:26" (1/1) ... [2024-09-21 12:49:26,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:26,197 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 12:49:26,200 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 12:49:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:26,329 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:26,331 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:26,385 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:26,535 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:26,559 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:26,584 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:26,584 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:26,584 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:26 BoogieIcfgContainer [2024-09-21 12:49:26,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:26,585 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:26,585 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:26,586 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:26,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:25" (1/4) ... [2024-09-21 12:49:26,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50738ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:26, skipping insertion in model container [2024-09-21 12:49:26,587 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 12:49:25" (2/4) ... [2024-09-21 12:49:26,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50738ab2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:26, skipping insertion in model container [2024-09-21 12:49:26,587 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 12:49:26" (3/4) ... [2024-09-21 12:49:26,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50738ab2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:26, skipping insertion in model container [2024-09-21 12:49:26,588 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 12:49:26" (4/4) ... [2024-09-21 12:49:26,589 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-21 12:49:26,592 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:26,593 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:26,593 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:26,593 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:49:26,593 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:49:26,593 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:26,593 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 12:49:26,594 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 12:49:26,594 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:26,594 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:49:26,663 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:26,664 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:26,664 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:26,665 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:26,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:26,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,757 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:26,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:26,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:26,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:26,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:30,802 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:30,821 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:30,825 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:30,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:30,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:30,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:30,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:30,841 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:30,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:30,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:30,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:30,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:30,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:34,852 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:34,872 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:34,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:34,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:34,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:34,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:34,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,876 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:34,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:34,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:34,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:34,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:34,886 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:34,897 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:49:34,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:34,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:34,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:34,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:34,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,912 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:49:34,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:34,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:34,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:34,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:38,920 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:38,937 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:38,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:38,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:38,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:38,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:38,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,944 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:38,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:38,946 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:38,946 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:38,947 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:38,952 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:38,966 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:38,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:38,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:38,967 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:38,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:38,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,970 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:38,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:38,971 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:38,971 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:38,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:38,976 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:38,984 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:38,984 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:38,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:38,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:38,985 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:38,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,986 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:38,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:38,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:38,987 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:38,987 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:38,987 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:38,989 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:39,005 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:39,006 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:39,007 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:39,007 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:39,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:39,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:39,041 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:39,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:39,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:39,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:39,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:39,043 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:39,045 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:39,047 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:39,048 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50738ab2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:39, skipping insertion in model container [2024-09-21 12:49:39,048 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:39,050 INFO L158 Benchmark]: Toolchain (without parser) took 13238.49ms. Allocated memory is still 163.6MB. Free memory was 94.0MB in the beginning and 74.6MB in the end (delta: 19.3MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:39,050 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:39,050 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:39,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.26ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 130.7MB in the end (delta: -36.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:49:39,051 INFO L158 Benchmark]: Boogie Preprocessor took 43.11ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:39,052 INFO L158 Benchmark]: RCFGBuilder took 420.57ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 114.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:49:39,053 INFO L158 Benchmark]: Referee took 12462.73ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 74.6MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-21 12:49:39,055 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 34 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 loop head at line 34 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 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.26ms. Allocated memory is still 163.6MB. Free memory was 93.8MB in the beginning and 130.7MB in the end (delta: -36.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.11ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 128.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 420.57ms. Allocated memory is still 163.6MB. Free memory was 128.6MB in the beginning and 114.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 12462.73ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 74.6MB in the end (delta: 40.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:39,074 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 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:41,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:41,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:41,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:41,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:41,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:41,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:41,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:41,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:41,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:41,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:41,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:41,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:41,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:41,444 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:41,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:41,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:41,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:41,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:41,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:41,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:41,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:41,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:41,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:41,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:41,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:41,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:41,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:41,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:41,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:41,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:41,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:41,456 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:41,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:41,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:41,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:41,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:41,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:41,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:41,458 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:41,458 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:41,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:41,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:41,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:41,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:41,460 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:41,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:41,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:41,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:41,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:41,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:41,817 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:41,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-21 12:49:43,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:43,643 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:43,643 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-21 12:49:43,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fd421de56/7280d17f2693436bb7de926fd693dc0d/FLAG693b6d325 [2024-09-21 12:49:44,044 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fd421de56/7280d17f2693436bb7de926fd693dc0d [2024-09-21 12:49:44,046 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:44,047 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:44,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-21 12:49:44,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:44,101 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:44,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:44,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:44,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:44,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:44" (1/2) ... [2024-09-21 12:49:44,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c4a058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:44, skipping insertion in model container [2024-09-21 12:49:44,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:44" (1/2) ... [2024-09-21 12:49:44,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@604b90b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:44, skipping insertion in model container [2024-09-21 12:49:44,113 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 12:49:44" (2/2) ... [2024-09-21 12:49:44,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c4a058 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:44, skipping insertion in model container [2024-09-21 12:49:44,114 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 12:49:44" (2/2) ... [2024-09-21 12:49:44,123 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:44,125 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-21 12:49:44,125 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:44,125 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:44,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:44,330 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/geo2-ll_unwindbound1.c[525,538] [2024-09-21 12:49:44,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:44,370 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:49:44,406 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/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 12:49:44,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:44,441 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:44,442 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:44 WrapperNode [2024-09-21 12:49:44,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:44,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:44,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:44,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:44,457 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,458 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,467 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,481 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 12:49:44,481 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,481 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,488 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,495 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,499 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,501 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:44,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:44,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:44,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:44,508 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 12:49:44" (1/1) ... [2024-09-21 12:49:44,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:44,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:44,537 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 12:49:44,540 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 12:49:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:44,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:49:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:44,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:44,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:44,670 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:44,673 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:44,728 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:45,365 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:45,382 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:45,425 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:45,426 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:45,426 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:45 BoogieIcfgContainer [2024-09-21 12:49:45,426 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:45,427 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:45,427 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:45,429 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:45,429 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:44" (1/4) ... [2024-09-21 12:49:45,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@769dba84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:45, skipping insertion in model container [2024-09-21 12:49:45,430 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 12:49:44" (2/4) ... [2024-09-21 12:49:45,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@769dba84 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:45, skipping insertion in model container [2024-09-21 12:49:45,430 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 12:49:44" (3/4) ... [2024-09-21 12:49:45,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@769dba84 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:45, skipping insertion in model container [2024-09-21 12:49:45,431 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 12:49:45" (4/4) ... [2024-09-21 12:49:45,432 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-21 12:49:45,436 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:45,436 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:45,437 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:45,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:49:45,437 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 12:49:45,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:45,438 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 12:49:45,438 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 12:49:45,438 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 12:49:45,438 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 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 [2024-09-21 12:49:45,494 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:49:45,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:45,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:45,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:45,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:45,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,558 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 12:49:45,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:45,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:45,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:45,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:49,615 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:49,651 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:49,652 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:49,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:49,652 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:49,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:49,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,676 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:49,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:49,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:49,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:49,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:49,846 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:49,870 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:49,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:49,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:49,871 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:49,871 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:49,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,874 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:49,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:49,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:49,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:49,875 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:49,885 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:49,898 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:49:49,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:49,900 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:49,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:49,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:49,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,923 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:49:49,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:49,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:49,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:49,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:49,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:50,237 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:50,258 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:50,258 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:50,258 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:50,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:50,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:50,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,260 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:50,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:50,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:50,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:50,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:50,262 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:50,274 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:50,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:50,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:50,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:50,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:50,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,278 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:50,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:50,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:50,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:50,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:50,281 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:50,304 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:50,305 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:50,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:50,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:50,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:50,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,307 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:50,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:50,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:50,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:50,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:50,310 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:50,324 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 12:49:50,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:50,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:50,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:50,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:50,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,350 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 12:49:50,351 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:50,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:50,354 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:50,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:50,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:50,359 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:50,363 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:50,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@769dba84 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:50, skipping insertion in model container [2024-09-21 12:49:50,364 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:50,366 INFO L158 Benchmark]: Toolchain (without parser) took 6264.60ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.4MB in the beginning and 61.6MB in the end (delta: -19.1MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:50,367 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:50,368 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:50,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.86ms. Allocated memory is still 73.4MB. Free memory was 42.2MB in the beginning and 48.0MB in the end (delta: -5.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-21 12:49:50,369 INFO L158 Benchmark]: Boogie Preprocessor took 62.34ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 45.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:50,370 INFO L158 Benchmark]: RCFGBuilder took 919.92ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 71.1MB in the end (delta: -25.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:50,371 INFO L158 Benchmark]: Referee took 4937.47ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 61.6MB in the end (delta: 9.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:50,375 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 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from 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 16. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.86ms. Allocated memory is still 73.4MB. Free memory was 42.2MB in the beginning and 48.0MB in the end (delta: -5.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.34ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 45.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 919.92ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 45.7MB in the beginning and 71.1MB in the end (delta: -25.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Referee took 4937.47ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 61.6MB in the end (delta: 9.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:50,410 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...