This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:53,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:53,779 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:53,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:53,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:53,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:53,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:53,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:53,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:53,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:53,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:53,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:53,823 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:53,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:53,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:53,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:53,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:53,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:53,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:53,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:53,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:53,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:53,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:53,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:53,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:53,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:53,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:53,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:53,833 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:53,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:53,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:53,833 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:54,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:54,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:54,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:54,230 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:54,232 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:54,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-10-15 15:32:54,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:54,305 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:54,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-10-15 15:32:55,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:56,133 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:56,133 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-10-15 15:32:56,145 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/86f9cdf3a/1a3e581358cd426d9fb0e7723f9b3318/FLAGa1b026118 [2024-10-15 15:32:56,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/86f9cdf3a/1a3e581358cd426d9fb0e7723f9b3318 [2024-10-15 15:32:56,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:56,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:56,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:56,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:56,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:56,178 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 03:32:54" (1/2) ... [2024-10-15 15:32:56,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1459f1b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,180 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 03:32:54" (1/2) ... [2024-10-15 15:32:56,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@395402e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:56" (2/2) ... [2024-10-15 15:32:56,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1459f1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56, skipping insertion in model container [2024-10-15 15:32:56,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:56" (2/2) ... [2024-10-15 15:32:56,196 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:56,201 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-10-15 15:32:56,201 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:56,201 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:32:56,201 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:56,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:56,418 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-10-15 15:32:56,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:56,449 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:56,489 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:32:56,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:56,532 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:56,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56 WrapperNode [2024-10-15 15:32:56,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:56,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:56,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:56,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:56,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,556 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:56,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:56,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:56,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:56,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:56,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,586 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:56,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:56,611 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:56,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:56,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:56,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (1/1) ... [2024-10-15 15:32:56,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:56,643 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 15:32:56,647 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 15:32:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:56,762 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:56,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:56,842 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:56,852 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:57,070 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:57,086 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:57,126 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:57,126 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:57,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:57 BoogieIcfgContainer [2024-10-15 15:32:57,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:57,127 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:57,127 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:57,128 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:57,129 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 03:32:54" (1/4) ... [2024-10-15 15:32:57,131 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50a5048d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:57, skipping insertion in model container [2024-10-15 15:32:57,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:56" (2/4) ... [2024-10-15 15:32:57,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50a5048d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:57, skipping insertion in model container [2024-10-15 15:32:57,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:56" (3/4) ... [2024-10-15 15:32:57,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50a5048d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:57, skipping insertion in model container [2024-10-15 15:32:57,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:57" (4/4) ... [2024-10-15 15:32:57,136 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-10-15 15:32:57,140 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:57,140 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:57,141 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:57,142 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:57,142 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 15:32:57,142 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 15:32:57,142 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:57,142 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:57,143 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:57,143 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-10-15 15:32:57,193 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:57,195 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:57,195 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:57,196 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:57,197 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:57,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,206 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:57,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:57,208 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:57,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:57,211 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:57,231 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:57,272 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:57,273 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:57,273 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:57,273 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:57,273 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:57,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,275 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:57,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:57,276 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:57,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:57,276 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:57,278 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:57,305 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:57,305 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:57,305 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:57,306 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:57,306 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:57,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,326 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:57,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:57,326 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:57,327 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:57,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:57,327 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,333 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:01,355 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:01,355 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,356 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,356 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,356 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,357 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:01,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,357 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,358 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,366 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:01,385 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:01,385 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,385 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,386 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,386 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,387 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:01,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,387 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,388 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,389 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:01,401 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:01,402 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,402 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,402 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,402 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,436 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:01,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,437 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,438 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:01,451 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:01,451 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,451 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,452 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,452 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,469 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:01,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,470 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,475 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,487 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:05,503 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:05,503 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,503 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,504 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,504 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,508 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:05,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,509 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,510 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,512 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:05,523 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:05,523 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,524 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,524 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,526 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,530 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:05,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,531 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,532 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,533 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,535 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:05,545 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:05,545 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,546 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,546 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,546 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,547 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:05,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,548 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,548 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,550 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:05,561 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:05,561 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,561 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,561 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,562 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,563 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:05,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,564 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,564 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,565 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:05,574 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:05,574 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,575 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,575 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,575 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,579 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:05,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,580 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,580 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,582 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:05,591 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:05,591 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,591 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,591 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,591 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,615 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:05,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,617 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,627 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:09,631 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:09,642 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:09,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50a5048d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:09, skipping insertion in model container [2024-10-15 15:33:09,643 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:09,645 INFO L158 Benchmark]: Toolchain (without parser) took 13475.88ms. Allocated memory is still 77.6MB. Free memory was 39.3MB in the beginning and 53.9MB in the end (delta: -14.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,645 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,645 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 50.3MB. Free memory is still 26.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.81ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 46.3MB in the end (delta: -7.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.29ms. Allocated memory is still 77.6MB. Free memory was 46.3MB in the beginning and 45.5MB in the end (delta: 773.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:09,647 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 77.6MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,647 INFO L158 Benchmark]: RCFGBuilder took 515.86ms. Allocated memory is still 77.6MB. Free memory was 43.7MB in the beginning and 49.9MB in the end (delta: -6.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,648 INFO L158 Benchmark]: Referee took 12516.17ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 53.9MB in the end (delta: -4.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:09,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. 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 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.38ms. Allocated memory is still 50.3MB. Free memory is still 26.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.81ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 46.3MB in the end (delta: -7.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.29ms. Allocated memory is still 77.6MB. Free memory was 46.3MB in the beginning and 45.5MB in the end (delta: 773.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 77.6MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.86ms. Allocated memory is still 77.6MB. Free memory was 43.7MB in the beginning and 49.9MB in the end (delta: -6.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12516.17ms. Allocated memory is still 77.6MB. Free memory was 49.9MB in the beginning and 53.9MB in the end (delta: -4.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:09,681 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:11,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:11,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:11,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:11,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:11,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:11,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:11,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:11,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:11,948 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:11,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:11,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:11,950 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:11,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:11,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:11,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:11,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:11,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:11,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:11,953 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:11,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:11,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:11,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:11,958 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:11,958 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:11,958 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:11,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:11,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:11,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:11,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:11,960 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:11,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:11,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:11,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:12,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:12,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:12,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:12,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:12,296 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:12,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-10-15 15:33:13,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:14,104 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:14,105 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-10-15 15:33:14,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/459343a4c/930e4b69d0274c0fb0153ac9466aed37/FLAG1cff15ddb [2024-10-15 15:33:14,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/459343a4c/930e4b69d0274c0fb0153ac9466aed37 [2024-10-15 15:33:14,494 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:14,495 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:14,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-10-15 15:33:14,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:14,551 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:14,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:14,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:14,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:14,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:14" (1/2) ... [2024-10-15 15:33:14,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a791ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:14" (1/2) ... [2024-10-15 15:33:14,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@320c94d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,566 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 03:33:14" (2/2) ... [2024-10-15 15:33:14,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a791ef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,566 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 03:33:14" (2/2) ... [2024-10-15 15:33:14,577 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:14,578 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-10-15 15:33:14,578 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:33:14,578 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:14,578 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:14,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:14,810 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-10-15 15:33:14,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:14,844 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:14,888 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:14,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:14,926 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:14,927 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:14 WrapperNode [2024-10-15 15:33:14,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:14,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:14,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:14,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:14,937 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,950 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,959 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:14,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:14,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:14,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:14,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:14,970 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,971 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,973 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,985 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:14,985 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,986 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,996 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 03:33:14" (1/1) ... [2024-10-15 15:33:14,999 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 03:33:14" (1/1) ... [2024-10-15 15:33:15,004 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 03:33:14" (1/1) ... [2024-10-15 15:33:15,005 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 03:33:14" (1/1) ... [2024-10-15 15:33:15,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:15,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:15,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:15,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:15,014 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 03:33:14" (1/1) ... [2024-10-15 15:33:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:15,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:15,047 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 15:33:15,050 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 15:33:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:15,162 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:15,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:15,261 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:15,276 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:15,676 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:15,693 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:15,723 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:15,723 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:15,724 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:15 BoogieIcfgContainer [2024-10-15 15:33:15,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:15,724 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:15,725 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:15,725 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:15,726 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:14" (1/4) ... [2024-10-15 15:33:15,727 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44a316f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,727 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 03:33:14" (2/4) ... [2024-10-15 15:33:15,727 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44a316f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,727 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 03:33:14" (3/4) ... [2024-10-15 15:33:15,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44a316f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,728 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 03:33:15" (4/4) ... [2024-10-15 15:33:15,729 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-10-15 15:33:15,732 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:15,733 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:15,733 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:15,734 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:15,734 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:33:15,734 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:15,734 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:15,734 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:15,735 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:15,735 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 15:33:15,735 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 15:33:15,735 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:15,735 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:15,735 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:33:15,736 INFO L131 InvariantChecker]: Will check 8 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, 3 loop-free subgraphs from loop head to error location [2024-10-15 15:33:15,783 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:15,784 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,785 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,789 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,790 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,804 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:15,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,805 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,809 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,824 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:15,861 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:15,863 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,863 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,863 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,863 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,866 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:15,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,867 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,867 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,869 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:15,894 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:15,894 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,894 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,894 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,895 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,910 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:15,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,911 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,911 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:19,948 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:19,972 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:19,972 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:19,973 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:19,973 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:19,973 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:19,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:19,974 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:19,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:19,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:19,975 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:19,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:19,975 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:19,977 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:19,996 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:19,996 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:19,996 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:19,996 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:19,996 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:19,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:19,998 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:19,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:19,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:19,999 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:19,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:19,999 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,001 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:20,026 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:20,026 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,026 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,026 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,026 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,068 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:20,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,069 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,070 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,072 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:20,091 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:20,092 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,092 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,092 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,093 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,109 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:20,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,110 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,115 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,162 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:24,183 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:24,184 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,184 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,184 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,184 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,186 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:24,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,186 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,186 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,188 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:24,202 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:24,202 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,202 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,202 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,202 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,207 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:24,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,208 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,209 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,211 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:24,222 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:24,222 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,223 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,223 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,223 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,224 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:24,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,225 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,225 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,227 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:24,239 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:24,240 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,240 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,240 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,240 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,243 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:24,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,245 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,245 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,246 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:24,256 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:24,257 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,257 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,257 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,257 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,261 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:24,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,262 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,262 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:28,289 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:28,308 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:28,308 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:28,309 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:28,309 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:28,309 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:28,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:28,335 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:33:28,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:28,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:28,336 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:28,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:28,341 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:32,457 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:32,489 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:32,489 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@44a316f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:32, skipping insertion in model container [2024-10-15 15:33:32,489 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:32,491 INFO L158 Benchmark]: Toolchain (without parser) took 17939.36ms. Allocated memory is still 73.4MB. Free memory was 39.5MB in the beginning and 25.7MB in the end (delta: 13.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:32,491 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 31.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:32,492 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:32,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.30ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 44.1MB in the end (delta: -4.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:32,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.04ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 43.2MB in the end (delta: 933.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:32,493 INFO L158 Benchmark]: Boogie Preprocessor took 51.52ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 41.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:32,494 INFO L158 Benchmark]: RCFGBuilder took 711.19ms. Allocated memory is still 73.4MB. Free memory was 41.2MB in the beginning and 47.9MB in the end (delta: -6.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:32,494 INFO L158 Benchmark]: Referee took 16765.09ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 25.7MB in the end (delta: 22.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:32,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. 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 check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 31.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.30ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 44.1MB in the end (delta: -4.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.04ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 43.2MB in the end (delta: 933.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.52ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 41.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.19ms. Allocated memory is still 73.4MB. Free memory was 41.2MB in the beginning and 47.9MB in the end (delta: -6.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 16765.09ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 25.7MB in the end (delta: 22.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:32,546 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...