This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:36,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:36,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:36,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:36,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:36,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:36,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:36,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:36,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:36,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:36,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:36,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:36,763 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:36,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:36,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:36,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:36,766 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:36,766 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:36,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:36,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:36,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:36,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:36,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:36,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:36,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:36,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:36,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:36,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:36,773 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:36,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:36,773 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:36,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:37,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:37,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:37,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:37,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:37,152 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:37,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2024-10-15 15:33:38,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:38,900 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:38,902 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound2.c [2024-10-15 15:33:38,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/890ecb510/41639146a45340e3bb9cd78a187d81c6/FLAG3bcba8602 [2024-10-15 15:33:39,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/890ecb510/41639146a45340e3bb9cd78a187d81c6 [2024-10-15 15:33:39,266 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:39,267 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:39,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound2.yml/witness-2.1.yml [2024-10-15 15:33:39,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:39,319 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:39,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:39,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:39,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:39,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:39" (1/2) ... [2024-10-15 15:33:39,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8008ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:39, skipping insertion in model container [2024-10-15 15:33:39,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:39" (1/2) ... [2024-10-15 15:33:39,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45e8b9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:39, skipping insertion in model container [2024-10-15 15:33:39,331 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 03:33:39" (2/2) ... [2024-10-15 15:33:39,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8008ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:39, skipping insertion in model container [2024-10-15 15:33:39,332 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 03:33:39" (2/2) ... [2024-10-15 15:33:39,339 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:39,341 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((__int128) x * 2) == (y + ((__int128) y * y))) && (\old(counter) == 0)) [2024-10-15 15:33:39,343 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:39,343 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:39,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:39,528 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/ps2-ll_unwindbound2.c[454,467] [2024-10-15 15:33:39,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:39,564 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:39,602 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/ps2-ll_unwindbound2.c[454,467] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:39,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:39,627 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:39,628 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:39 WrapperNode [2024-10-15 15:33:39,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:39,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:39,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:39,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:39,636 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,641 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,648 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:39,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:39,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:39,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:39,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:39,659 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,659 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,660 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,670 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:39,670 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,671 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,674 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,678 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,679 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,680 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:39,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:39,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:39,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:39,684 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 03:33:39" (1/1) ... [2024-10-15 15:33:39,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:39,714 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 15:33:39,720 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 15:33:39,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:39,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:39,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:39,830 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:39,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:39,916 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:39,992 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:40,008 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:40,040 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:40,042 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:40,042 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:40 BoogieIcfgContainer [2024-10-15 15:33:40,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:40,043 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:40,043 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:40,044 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:40,044 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:39" (1/4) ... [2024-10-15 15:33:40,045 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a349bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,045 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 03:33:39" (2/4) ... [2024-10-15 15:33:40,046 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a349bc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,046 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 03:33:39" (3/4) ... [2024-10-15 15:33:40,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a349bc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,047 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 03:33:40" (4/4) ... [2024-10-15 15:33:40,048 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound2.c [2024-10-15 15:33:40,053 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:40,054 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:40,054 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:40,055 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:33:40,055 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:33:40,055 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 15:33:40,055 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 15:33:40,055 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 15:33:40,056 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:40,056 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-10-15 15:33:40,109 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:40,110 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,111 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,112 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,113 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,150 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:40,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,153 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,153 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,163 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,182 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,193 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:40,193 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,193 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,194 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,194 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,201 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:40,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,202 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,202 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,205 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,231 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:40,231 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,231 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,231 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,232 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,234 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:40,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,235 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,235 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,249 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:40,269 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:33:40,269 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,271 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,271 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,271 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,289 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:33:40,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,290 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,290 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,294 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:40,304 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:40,306 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,306 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,306 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,307 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,308 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:40,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,309 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,309 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,310 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,318 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:40,319 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,319 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,319 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,319 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,322 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:40,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,323 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,324 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,326 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:40,338 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:40,338 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,338 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,339 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,339 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,343 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:40,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,346 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,346 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,349 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:40,357 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:40,358 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,358 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,358 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,358 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,377 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:40,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,378 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,378 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,379 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,380 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:40,383 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:40,384 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a349bc2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,385 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:40,387 INFO L158 Benchmark]: Toolchain (without parser) took 1067.27ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 38.4MB in the beginning and 40.3MB in the end (delta: -1.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,388 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:40,388 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:40,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.80ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 42.1MB in the end (delta: -3.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.15ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 41.2MB in the end (delta: 888.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,392 INFO L158 Benchmark]: Boogie Preprocessor took 32.32ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 39.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,392 INFO L158 Benchmark]: RCFGBuilder took 359.73ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 28.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,394 INFO L158 Benchmark]: Referee took 342.51ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 28.0MB in the beginning and 40.3MB in the end (delta: -12.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. 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 loop head at line 27. 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 11. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 48.2MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.80ms. Allocated memory is still 65.0MB. Free memory was 38.2MB in the beginning and 42.1MB in the end (delta: -3.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.15ms. Allocated memory is still 65.0MB. Free memory was 42.1MB in the beginning and 41.2MB in the end (delta: 888.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.32ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 39.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.73ms. Allocated memory is still 65.0MB. Free memory was 39.4MB in the beginning and 28.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 342.51ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 28.0MB in the beginning and 40.3MB in the end (delta: -12.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:40,430 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...