This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:58,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:58,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:58,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:58,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:58,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:58,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:58,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:58,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:58,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:58,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:58,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:58,203 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:58,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:58,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:58,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:58,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:58,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:58,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:58,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:58,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:58,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:58,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:58,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:58,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:58,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:58,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:58,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:58,214 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:58,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:58,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:58,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:58,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:58,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:58,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:58,612 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:58,613 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:58,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound20.yml/witness-2.1.yml [2024-10-15 15:31:58,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:58,674 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:58,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-10-15 15:32:00,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:00,507 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:00,507 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2024-10-15 15:32:00,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/636cbfdc1/6dab8573e29044b8bdabdd52cdfd66e7/FLAG02c03feb7 [2024-10-15 15:32:00,537 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/636cbfdc1/6dab8573e29044b8bdabdd52cdfd66e7 [2024-10-15 15:32:00,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:00,540 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:00,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:00,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:00,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:00,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:58" (1/2) ... [2024-10-15 15:32:00,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6197009f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:58" (1/2) ... [2024-10-15 15:32:00,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37b7b983 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:00" (2/2) ... [2024-10-15 15:32:00,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6197009f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:00" (2/2) ... [2024-10-15 15:32:00,565 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:00,566 INFO L1541 ArrayList]: Loop invariant at [L32-L47] ((((((X <= 20) && (((__int128) y * x) == (((__int128) X * y) + y))) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (0 <= Y)) && (0 <= X)) || ((((X <= 20) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (0 <= Y)) && (0 <= X))) [2024-10-15 15:32:00,568 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:00,569 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (cond != 0) [2024-10-15 15:32:00,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:00,800 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/bresenham-ll_valuebound20.c[597,610] [2024-10-15 15:32:00,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:00,836 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:00,876 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/bresenham-ll_valuebound20.c[597,610] Start Parsing Local [2024-10-15 15:32:00,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:00,919 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:00,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00 WrapperNode [2024-10-15 15:32:00,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:00,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:00,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:00,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:00,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,944 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:00,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:00,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:00,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:00,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:00,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,967 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 15:32:00,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:00,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:00,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:00,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:00,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (1/1) ... [2024-10-15 15:32:00,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:01,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:01,020 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 15:32:01,026 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 15:32:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:01,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:01,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:01,153 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:01,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:01,361 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:01,378 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:01,410 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:01,413 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:01,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:01 BoogieIcfgContainer [2024-10-15 15:32:01,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:01,414 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:01,415 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:01,415 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:01,416 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:58" (1/4) ... [2024-10-15 15:32:01,416 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1608e5c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:01, skipping insertion in model container [2024-10-15 15:32:01,416 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:00" (2/4) ... [2024-10-15 15:32:01,416 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1608e5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:01, skipping insertion in model container [2024-10-15 15:32:01,417 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:00" (3/4) ... [2024-10-15 15:32:01,417 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1608e5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:01, skipping insertion in model container [2024-10-15 15:32:01,417 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:01" (4/4) ... [2024-10-15 15:32:01,418 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound20.c [2024-10-15 15:32:01,423 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:01,424 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:01,425 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:01,425 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:32:01,425 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:01,425 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:01,426 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 15:32:01,426 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 15:32:01,426 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:32:01,498 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:01,500 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,500 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,501 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,502 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,511 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:01,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,516 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,520 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,539 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:01,566 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:01,567 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,567 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,567 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,568 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,619 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-10-15 15:32:01,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,620 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,631 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,653 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:01,667 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:32:01,668 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,668 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,668 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,668 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,680 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:32:01,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,681 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,681 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,684 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:01,693 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:01,693 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,693 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,694 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,694 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,714 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:32:01,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,715 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,719 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,746 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:01,746 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,746 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,746 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,747 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,754 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:01,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,756 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,756 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,760 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:01,771 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:01,774 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,774 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,774 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,774 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,778 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:01,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,779 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,781 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,784 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:01,801 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:01,801 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,802 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,802 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,802 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,804 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:01,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,804 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,805 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,806 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:01,816 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:32:01,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1608e5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:01, skipping insertion in model container [2024-10-15 15:32:01,817 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:01,819 INFO L158 Benchmark]: Toolchain (without parser) took 1278.92ms. Allocated memory is still 81.8MB. Free memory was 43.5MB in the beginning and 24.3MB in the end (delta: 19.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,820 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:01,820 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 50.3MB. Free memory was 26.2MB in the beginning and 26.1MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:01,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.06ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 52.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:01,822 INFO L158 Benchmark]: Boogie Preprocessor took 38.60ms. Allocated memory is still 81.8MB. Free memory was 51.5MB in the beginning and 50.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,824 INFO L158 Benchmark]: RCFGBuilder took 426.02ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 36.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,825 INFO L158 Benchmark]: Referee took 402.82ms. Allocated memory is still 81.8MB. Free memory was 36.5MB in the beginning and 24.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 50. One counterexample starts in v=3, X=1, x=3, y=2, Y=1 and ends in v=3, X=1, x=3, xy=6, y=2, Y=1, yx=3. 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 loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. 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 15. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.40ms. Allocated memory is still 50.3MB. Free memory was 26.2MB in the beginning and 26.1MB in the end (delta: 64.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.06ms. Allocated memory is still 81.8MB. Free memory was 43.2MB in the beginning and 52.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 81.8MB. Free memory was 52.5MB in the beginning and 51.5MB in the end (delta: 971.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.60ms. Allocated memory is still 81.8MB. Free memory was 51.5MB in the beginning and 50.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.02ms. Allocated memory is still 81.8MB. Free memory was 50.1MB in the beginning and 36.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 402.82ms. Allocated memory is still 81.8MB. Free memory was 36.5MB in the beginning and 24.3MB in the end (delta: 12.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:32:01,860 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...