This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:48,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:48,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:48,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:48,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:48,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:48,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:48,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:48,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:48,969 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:48,969 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:48,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:48,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:48,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:48,972 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:48,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:48,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:48,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:48,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:48,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:48,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:48,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:48,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:48,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:48,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:48,976 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:48,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:48,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:48,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:48,977 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:48,977 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:48,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:48,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:48,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:48,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:48,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:48,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:48,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:48,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:48,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:48,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:48,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:48,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:48,980 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:49,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:49,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:49,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:49,209 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:49,209 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:49,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sumt9.yml/output/witness-2.1.yml [2024-09-21 19:07:49,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:49,308 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:49,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-09-21 19:07:50,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:50,889 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:50,889 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-09-21 19:07:50,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a5febfd3d/ee8bc106ea2b40979d197f4e2808f053/FLAGed2532b1d [2024-09-21 19:07:51,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a5febfd3d/ee8bc106ea2b40979d197f4e2808f053 [2024-09-21 19:07:51,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:51,299 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:51,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:51,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:51,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:51,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:49" (1/2) ... [2024-09-21 19:07:51,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc058b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:49" (1/2) ... [2024-09-21 19:07:51,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cee066f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:51" (2/2) ... [2024-09-21 19:07:51,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc058b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:51" (2/2) ... [2024-09-21 19:07:51,318 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:51,319 INFO L1541 ArrayList]: Loop invariant at [L21-L43] 1 [2024-09-21 19:07:51,319 INFO L1541 ArrayList]: Function contract at [L3]: requires 1, ensures 1 [2024-09-21 19:07:51,319 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:51,319 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:51,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:51,449 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/loops-crafted-1/sumt9.c[403,416] [2024-09-21 19:07:51,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:51,477 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:07:51,502 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/loops-crafted-1/sumt9.c[403,416] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:51,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:51,523 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:51,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51 WrapperNode [2024-09-21 19:07:51,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:51,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:51,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:51,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:51,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,547 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:51,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:51,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:51,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:51,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:51,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (1/1) ... [2024-09-21 19:07:51,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:51,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:07:51,591 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:07:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:51,676 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:51,678 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:51,681 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:51,713 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:51,853 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:51,863 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:51,907 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:51,908 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:51,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:51 BoogieIcfgContainer [2024-09-21 19:07:51,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:51,913 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:51,913 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:51,914 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:51,914 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:49" (1/4) ... [2024-09-21 19:07:51,914 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27f1d716 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,914 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:51" (2/4) ... [2024-09-21 19:07:51,914 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27f1d716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:51" (3/4) ... [2024-09-21 19:07:51,915 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27f1d716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,915 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:51" (4/4) ... [2024-09-21 19:07:51,916 INFO L79 RefereeObserver]: Analyzing ICFG sumt9.c [2024-09-21 19:07:51,920 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:51,921 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 20 edges. [2024-09-21 19:07:51,921 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:51,921 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:51,922 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:51,923 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location [2024-09-21 19:07:51,959 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 20 edges [2024-09-21 19:07:51,960 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,960 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,960 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,025 INFO L101 BaseMinimizeStates]: Removed 49 edges and 11 locations by large block encoding [2024-09-21 19:07:52,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,034 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,046 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:52,062 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:52,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,063 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,067 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:52,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,072 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:52,082 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 21 edges [2024-09-21 19:07:52,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,148 INFO L101 BaseMinimizeStates]: Removed 59 edges and 12 locations by large block encoding [2024-09-21 19:07:52,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,155 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:52,166 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:52,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,167 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,170 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:52,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,173 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:52,184 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:52,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,189 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:07:52,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,192 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:52,201 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:52,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,202 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:52,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,205 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:52,213 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:52,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,214 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,214 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,214 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,216 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:52,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,217 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,217 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,220 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:52,228 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:52,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,232 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:52,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,235 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:52,242 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:52,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:52,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:52,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:52,244 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:52,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,245 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:52,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:52,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:52,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:52,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:52,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:52,260 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:52,261 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27f1d716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:52, skipping insertion in model container [2024-09-21 19:07:52,261 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:52,262 INFO L158 Benchmark]: Toolchain (without parser) took 962.90ms. Allocated memory is still 255.9MB. Free memory was 223.4MB in the beginning and 147.7MB in the end (delta: 75.7MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:52,262 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:52,262 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:52,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.80ms. Allocated memory is still 255.9MB. Free memory was 223.2MB in the beginning and 216.9MB in the end (delta: 6.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-21 19:07:52,263 INFO L158 Benchmark]: Boogie Preprocessor took 32.58ms. Allocated memory is still 255.9MB. Free memory was 216.9MB in the beginning and 214.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:52,263 INFO L158 Benchmark]: RCFGBuilder took 354.39ms. Allocated memory is still 255.9MB. Free memory was 214.8MB in the beginning and 200.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:52,264 INFO L158 Benchmark]: Referee took 347.87ms. Allocated memory is still 255.9MB. Free memory was 200.1MB in the beginning and 147.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:52,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 21 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.80ms. Allocated memory is still 255.9MB. Free memory was 223.2MB in the beginning and 216.9MB in the end (delta: 6.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.58ms. Allocated memory is still 255.9MB. Free memory was 216.9MB in the beginning and 214.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.39ms. Allocated memory is still 255.9MB. Free memory was 214.8MB in the beginning and 200.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 347.87ms. Allocated memory is still 255.9MB. Free memory was 200.1MB in the beginning and 147.7MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:52,299 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...