This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:37,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:37,109 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:37,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:37,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:37,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:37,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:37,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:37,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:37,143 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:37,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:37,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:37,144 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:37,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:37,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:37,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:37,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:37,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:37,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:37,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:37,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:37,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:37,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:37,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:37,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:37,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:37,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:37,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:37,151 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:37,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:37,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:37,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:37,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:37,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:37,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:37,536 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:37,538 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:37,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound5.yml/witness-2.1.yml [2024-10-15 15:33:37,595 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:37,595 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:37,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-10-15 15:33:39,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:39,422 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:39,423 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound5.c [2024-10-15 15:33:39,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/13bc6ae99/02e7b3b7b76b41148eb2fa1582ec44cc/FLAG10a84cc02 [2024-10-15 15:33:39,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/13bc6ae99/02e7b3b7b76b41148eb2fa1582ec44cc [2024-10-15 15:33:39,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:39,810 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:39,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:39,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:39,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:39,817 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 03:33:37" (1/2) ... [2024-10-15 15:33:39,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177f6231 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 15:33:39,820 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 03:33:37" (1/2) ... [2024-10-15 15:33:39,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16dcce19 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 15:33:39,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:39" (2/2) ... [2024-10-15 15:33:39,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177f6231 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 15:33:39,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:39" (2/2) ... [2024-10-15 15:33:39,833 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:39,833 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((__int128) x * 2) == (y + ((__int128) y * y))) && (\old(counter) == 0)) [2024-10-15 15:33:39,834 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:39,834 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:39,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:40,060 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_unwindbound5.c[454,467] [2024-10-15 15:33:40,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:40,087 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:40,130 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_unwindbound5.c[454,467] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:40,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:40,158 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:40,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40 WrapperNode [2024-10-15 15:33:40,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:40,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:40,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:40,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:40,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,183 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:40,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:40,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:40,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:40,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:40,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,197 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,208 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 15:33:40,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:40,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:40,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:40,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:40,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:40,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:40,254 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 15:33:40,260 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 15:33:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:40,373 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:40,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:40,468 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:40,547 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:40,560 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:40,594 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:40,594 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:40,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:40 BoogieIcfgContainer [2024-10-15 15:33:40,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:40,595 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:40,595 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:40,596 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:40,597 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 03:33:37" (1/4) ... [2024-10-15 15:33:40,597 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a0b7324 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 15:33:40,599 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:39" (2/4) ... [2024-10-15 15:33:40,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a0b7324 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 15:33:40,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (3/4) ... [2024-10-15 15:33:40,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a0b7324 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 15:33:40,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:40" (4/4) ... [2024-10-15 15:33:40,602 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound5.c [2024-10-15 15:33:40,605 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:40,606 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 15:33:40,606 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 15:33:40,607 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 15:33:40,607 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 15:33:40,608 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 15:33:40,608 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 15:33:40,608 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 15:33:40,608 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 15:33:40,608 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:33:40,660 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:40,661 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,664 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,665 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,666 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,712 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:40,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,715 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,725 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,744 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,759 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:40,759 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,760 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,760 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,760 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,767 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:40,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,768 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,768 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,768 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,770 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,781 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:40,782 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,782 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,782 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,782 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,785 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:40,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,786 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,786 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,801 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:40,817 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:33:40,817 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,818 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,818 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,818 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,839 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:33:40,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,839 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,840 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,851 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:40,859 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:40,860 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,860 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,860 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,860 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,862 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:40,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,862 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,862 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,868 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:40,878 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:40,878 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,878 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,879 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,879 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,882 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:40,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,882 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,888 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,890 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:40,905 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:40,905 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,905 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,905 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,906 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,907 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:40,907 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,907 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,908 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,908 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,910 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:40,924 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:40,924 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:40,924 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:40,924 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:40,924 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:40,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,950 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:40,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:40,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:40,952 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:40,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:40,953 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:40,956 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:40,960 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:40,960 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1a0b7324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,961 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:40,963 INFO L158 Benchmark]: Toolchain (without parser) took 1151.35ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 25.6MB in the beginning and 41.2MB in the end (delta: -15.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,965 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:40,965 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:40,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.92ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 25.3MB in the beginning and 41.5MB in the end (delta: -16.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.12ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 40.6MB in the end (delta: 829.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:40,967 INFO L158 Benchmark]: Boogie Preprocessor took 37.24ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,967 INFO L158 Benchmark]: RCFGBuilder took 372.27ms. Allocated memory is still 73.4MB. Free memory was 38.8MB in the beginning and 46.5MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,968 INFO L158 Benchmark]: Referee took 365.17ms. Allocated memory is still 73.4MB. Free memory was 46.5MB in the beginning and 41.2MB in the end (delta: 5.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:40,972 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 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 check that a call to reach_error is unreachable at line 11. 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 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 entry of procedure main 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 28. 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: * Witness Parser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.38ms. Allocated memory is still 56.6MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.92ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 25.3MB in the beginning and 41.5MB in the end (delta: -16.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.12ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 40.6MB in the end (delta: 829.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.24ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 372.27ms. Allocated memory is still 73.4MB. Free memory was 38.8MB in the beginning and 46.5MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 365.17ms. Allocated memory is still 73.4MB. Free memory was 46.5MB in the beginning and 41.2MB in the end (delta: 5.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:41,000 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...