This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:04:03,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:04:03,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:04:03,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:04:03,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:04:03,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:04:03,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:04:03,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:04:03,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:04:03,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:04:03,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:04:03,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:04:03,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:04:03,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:04:03,888 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:04:03,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:04:03,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:04:03,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:04:03,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:04:03,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:04:03,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:04:03,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:04:03,894 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:04:03,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:04:03,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:04:03,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:04:03,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:04:03,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:04:03,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:04:03,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:04:03,896 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:04:03,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:04:03,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:04:03,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:03,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:04:03,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:04:03,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:04:03,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:04:03,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:04:03,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:04:03,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:04:03,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:04:03,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:04:03,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:04:04,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:04:04,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:04:04,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:04:04,151 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:04:04,152 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:04:04,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/loopv3.yml/witness-2.1.yml [2024-09-13 05:04:04,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:04:04,209 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:04:04,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/loopv3.c [2024-09-13 05:04:05,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:04:05,698 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:04:05,698 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/loopv3.c [2024-09-13 05:04:05,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fd28f19c5/a79e7b1f972841ef970366501264197f/FLAGc6bf079ad [2024-09-13 05:04:05,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fd28f19c5/a79e7b1f972841ef970366501264197f [2024-09-13 05:04:05,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:04:05,718 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:04:05,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:05,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:04:05,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:04:05,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/2) ... [2024-09-13 05:04:05,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fa48b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:05, skipping insertion in model container [2024-09-13 05:04:05,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/2) ... [2024-09-13 05:04:05,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@608dbb57 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:04:05, skipping insertion in model container [2024-09-13 05:04:05,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:05" (2/2) ... [2024-09-13 05:04:05,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79fa48b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05, skipping insertion in model container [2024-09-13 05:04:05,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:04:05" (2/2) ... [2024-09-13 05:04:05,734 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:04:05,735 INFO L1541 ArrayList]: Loop invariant at [L23-L30] (((i % 4) == 0) && (50000001 <= SIZE)) [2024-09-13 05:04:05,735 INFO L1541 ArrayList]: Function contract at [L20]: requires (50000001 <= SIZE), ensures (50000001 <= SIZE) [2024-09-13 05:04:05,735 INFO L1541 ArrayList]: Function contract at [L12]: requires ((1 <= \old(cond)) && (50000001 <= SIZE)), ensures ((1 <= \old(cond)) && (50000001 <= SIZE)) [2024-09-13 05:04:05,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:04:05,881 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/loopv3.c[456,469] [2024-09-13 05:04:05,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:05,900 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:04:05,936 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/loopv3.c[456,469] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:04:05,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:04:05,959 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:04:05,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05 WrapperNode [2024-09-13 05:04:05,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:04:05,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:04:05,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:04:05,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:04:05,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,988 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:04:05,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:05,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:04:05,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:04:05,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:04:05,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:04:05,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (1/1) ... [2024-09-13 05:04:06,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:04:06,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:04:06,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:04:06,030 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:04:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:04:06,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:04:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:04:06,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:04:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:04:06,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:04:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:04:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:04:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:04:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:04:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:04:06,140 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:04:06,144 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:04:06,210 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:06,290 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:04:06,304 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:04:06,332 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:04:06,332 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:04:06,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:06 BoogieIcfgContainer [2024-09-13 05:04:06,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:04:06,334 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:04:06,334 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:04:06,336 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:04:06,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:04:04" (1/4) ... [2024-09-13 05:04:06,337 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567538e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,338 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:04:05" (2/4) ... [2024-09-13 05:04:06,338 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567538e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,338 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:04:05" (3/4) ... [2024-09-13 05:04:06,339 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567538e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,339 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:04:06" (4/4) ... [2024-09-13 05:04:06,340 INFO L79 RefereeObserver]: Analyzing ICFG loopv3.c [2024-09-13 05:04:06,343 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:04:06,343 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:04:06,343 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:04:06,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:04:06,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:04:06,344 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:04:06,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:04:06,344 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:04:06,344 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:04:06,379 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:06,380 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,409 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:04:06,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,429 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:04:06,440 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:04:06,440 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,440 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,440 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,440 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,454 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-13 05:04:06,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,454 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,464 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:06,472 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:06,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,473 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,474 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:06,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,475 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,482 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:04:06,489 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:04:06,490 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,492 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:04:06,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,497 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:06,512 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:06,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,512 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,512 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,512 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,530 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:06,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,530 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,530 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,544 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:04:06,553 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:04:06,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,562 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:04:06,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,565 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:04:06,573 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:04:06,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:04:06,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:04:06,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:04:06,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:04:06,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,580 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:04:06,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:04:06,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:04:06,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:04:06,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:04:06,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:04:06,582 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:04:06,586 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:04:06,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@567538e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:04:06, skipping insertion in model container [2024-09-13 05:04:06,586 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:04:06,588 INFO L158 Benchmark]: Toolchain (without parser) took 869.69ms. Allocated memory is still 207.6MB. Free memory was 135.2MB in the beginning and 151.6MB in the end (delta: -16.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:06,588 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:06,589 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 207.6MB. Free memory was 182.4MB in the beginning and 182.1MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:04:06,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.11ms. Allocated memory is still 207.6MB. Free memory was 135.0MB in the beginning and 121.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:06,590 INFO L158 Benchmark]: Boogie Preprocessor took 35.78ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 119.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:04:06,591 INFO L158 Benchmark]: RCFGBuilder took 335.35ms. Allocated memory is still 207.6MB. Free memory was 119.7MB in the beginning and 173.0MB in the end (delta: -53.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-13 05:04:06,591 INFO L158 Benchmark]: Referee took 253.05ms. Allocated memory is still 207.6MB. Free memory was 173.0MB in the beginning and 151.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-13 05:04:06,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. 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 23 to exit of procedure main. 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 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.30ms. Allocated memory is still 207.6MB. Free memory was 182.4MB in the beginning and 182.1MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.11ms. Allocated memory is still 207.6MB. Free memory was 135.0MB in the beginning and 121.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.78ms. Allocated memory is still 207.6MB. Free memory was 121.7MB in the beginning and 119.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.35ms. Allocated memory is still 207.6MB. Free memory was 119.7MB in the beginning and 173.0MB in the end (delta: -53.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Referee took 253.05ms. Allocated memory is still 207.6MB. Free memory was 173.0MB in the beginning and 151.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:04:06,620 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...