This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:59,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:59,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:59,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:59,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:59,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:59,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:59,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:59,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:59,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:59,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:59,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:59,618 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:59,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:59,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:59,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:59,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:59,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:59,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:59,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:59,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:59,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:59,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:59,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:59,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:59,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:59,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:59,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:59,630 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:59,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:59,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:59,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:59,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:59,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:59,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:59,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:59,985 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:59,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-10-15 15:31:01,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:01,800 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:01,801 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-10-15 15:31:01,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/19d632d82/a70feba3014147129aa28132e7277d4c/FLAG15e31f8e0 [2024-10-15 15:31:01,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/19d632d82/a70feba3014147129aa28132e7277d4c [2024-10-15 15:31:01,838 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:01,839 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:01,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml [2024-10-15 15:31:01,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:01,898 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:01,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:01,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:01,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:01,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:01" (1/2) ... [2024-10-15 15:31:01,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75568029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:01" (1/2) ... [2024-10-15 15:31:01,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65e17c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:01" (2/2) ... [2024-10-15 15:31:01,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75568029 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:01" (2/2) ... [2024-10-15 15:31:01,921 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:01,921 INFO L1541 ArrayList]: Loop invariant at [L16-L25] (i < 101) [2024-10-15 15:31:01,922 INFO L1541 ArrayList]: Loop invariant at [L18-L21] ((i <= 99) && (j <= 100)) [2024-10-15 15:31:01,924 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:01,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:02,124 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] [2024-10-15 15:31:02,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:02,147 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:02,186 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] Start Parsing Local Start Parsing Local [2024-10-15 15:31:02,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:02,210 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:02,211 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:02 WrapperNode [2024-10-15 15:31:02,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:02,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:02,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:02,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:02,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,232 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:02,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:02,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:02,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:02,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:02,243 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,243 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,245 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,257 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 [2024-10-15 15:31:02,258 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,258 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,260 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,264 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,265 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,267 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:02,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:02,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:02,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:02,271 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 15.10 03:31:02" (1/1) ... [2024-10-15 15:31:02,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:02,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:02,314 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) [2024-10-15 15:31:02,318 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 [2024-10-15 15:31:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:02,435 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:02,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:02,564 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:02,580 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:02,604 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:02,605 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:31:02,605 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:02 BoogieIcfgContainer [2024-10-15 15:31:02,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:02,606 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:02,608 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:02,609 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:02,609 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:01" (1/4) ... [2024-10-15 15:31:02,610 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d78bac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:02, skipping insertion in model container [2024-10-15 15:31:02,610 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:01" (2/4) ... [2024-10-15 15:31:02,610 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d78bac0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:02, skipping insertion in model container [2024-10-15 15:31:02,610 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 15.10 03:31:02" (3/4) ... [2024-10-15 15:31:02,611 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d78bac0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:02, skipping insertion in model container [2024-10-15 15:31:02,611 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:02" (4/4) ... [2024-10-15 15:31:02,612 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex1b.i [2024-10-15 15:31:02,616 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:31:02,617 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:02,617 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:02,617 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:02,617 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:31:02,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:02,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:31:02,618 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-10-15 15:31:02,618 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:02,618 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:02,619 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:02,619 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:02,667 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:02,668 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,668 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,669 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,670 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,687 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:02,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,692 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,692 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,694 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,709 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:02,726 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:02,730 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,730 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,731 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,731 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,734 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:02,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,737 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,743 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,748 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:02,760 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:02,760 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,761 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,761 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,761 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,763 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:02,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,763 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,763 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,763 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,770 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:02,780 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:31:02,780 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,781 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,781 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,781 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,791 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-10-15 15:31:02,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,792 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,792 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,795 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,801 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:02,811 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:02,817 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,817 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,817 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,818 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,821 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:02,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,822 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,822 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,822 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,822 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,824 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:02,830 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:31:02,830 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,830 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,831 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,831 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,834 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:31:02,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,834 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,835 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,837 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:02,845 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:31:02,846 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,846 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,846 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,846 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,861 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:02,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,863 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,866 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,870 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:02,876 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:02,877 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,877 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,877 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,877 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,883 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:02,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,884 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,885 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,889 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:02,895 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:02,896 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,896 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,897 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,897 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:02,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,901 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,901 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,905 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:02,914 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:02,914 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:02,914 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:02,914 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:02,915 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:02,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,916 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:02,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:02,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:02,917 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:02,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:02,918 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:02,920 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:02,924 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:02,925 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d78bac0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:02, skipping insertion in model container [2024-10-15 15:31:02,925 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:02,927 INFO L158 Benchmark]: Toolchain (without parser) took 1027.87ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 55.9MB in the end (delta: -14.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:02,927 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:02,928 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:02,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.02ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 26.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:02,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.67ms. Allocated memory is still 62.9MB. Free memory was 26.9MB in the beginning and 25.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:02,929 INFO L158 Benchmark]: Boogie Preprocessor took 35.51ms. Allocated memory is still 62.9MB. Free memory was 25.9MB in the beginning and 24.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:02,930 INFO L158 Benchmark]: RCFGBuilder took 336.48ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 24.2MB in the beginning and 54.2MB in the end (delta: -30.0MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:02,930 INFO L158 Benchmark]: Referee took 318.85ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 55.9MB in the end (delta: -1.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:02,933 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 main to loop head at line 16. 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 13. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. 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 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 20. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.34ms. Allocated memory is still 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.02ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 26.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.67ms. Allocated memory is still 62.9MB. Free memory was 26.9MB in the beginning and 25.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.51ms. Allocated memory is still 62.9MB. Free memory was 25.9MB in the beginning and 24.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.48ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 24.2MB in the beginning and 54.2MB in the end (delta: -30.0MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Referee took 318.85ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 55.9MB in the end (delta: -1.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:02,971 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...