This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:54,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:54,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:54,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:54,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:54,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:54,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:54,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:54,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:54,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:54,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:54,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:54,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:54,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:54,238 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:54,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:54,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:54,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:54,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:54,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:54,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:54,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:54,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:54,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:54,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:54,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:54,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:54,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:54,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:54,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:54,247 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:54,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:54,248 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:54,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:54,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:54,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:54,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:54,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:54,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:54,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:54,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:54,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:54,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:54,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:54,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:54,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:54,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:54,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:54,530 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:54,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/count_by_1.i [2024-09-13 10:07:55,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:56,113 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:56,114 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/count_by_1.i [2024-09-13 10:07:56,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/af8f89a60/49bac3d690774b199a92027c3d49b4c4/FLAG657733a64 [2024-09-13 10:07:56,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/af8f89a60/49bac3d690774b199a92027c3d49b4c4 [2024-09-13 10:07:56,483 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:56,484 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:56,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/count_by_1.yml/witness-2.1.yml [2024-09-13 10:07:56,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:56,536 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:56,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:56,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:56,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:56,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:56" (1/2) ... [2024-09-13 10:07:56,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442b8355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:56, skipping insertion in model container [2024-09-13 10:07:56,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:56" (1/2) ... [2024-09-13 10:07:56,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69dc7ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:56, skipping insertion in model container [2024-09-13 10:07:56,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:56" (2/2) ... [2024-09-13 10:07:56,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442b8355 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:56, skipping insertion in model container [2024-09-13 10:07:56,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:56" (2/2) ... [2024-09-13 10:07:56,558 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:56,559 INFO L1541 ArrayList]: Loop invariant at [L26-L26] (i < 1000001) [2024-09-13 10:07:56,559 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:56,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:56,731 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2024-09-13 10:07:56,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:56,757 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:56,797 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/count_by_1.i[891,904] Start Parsing Local [2024-09-13 10:07:56,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:56,820 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:56,821 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:56 WrapperNode [2024-09-13 10:07:56,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:56,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:56,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:56,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:56,833 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,833 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,838 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,845 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:07:56,846 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,846 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,849 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,851 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,852 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,853 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:56,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:56,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:56,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:56,856 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 13.09 10:07:56" (1/1) ... [2024-09-13 10:07:56,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:56,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:56,881 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) [2024-09-13 10:07:56,884 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 [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:56,978 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:56,980 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:57,070 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:57,081 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:57,110 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:57,110 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:57,111 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:57 BoogieIcfgContainer [2024-09-13 10:07:57,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:57,112 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:57,112 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:57,113 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:57,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:56" (1/4) ... [2024-09-13 10:07:57,114 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@35c8db35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:57, skipping insertion in model container [2024-09-13 10:07:57,114 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:56" (2/4) ... [2024-09-13 10:07:57,116 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@35c8db35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:57, skipping insertion in model container [2024-09-13 10:07:57,116 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 13.09 10:07:56" (3/4) ... [2024-09-13 10:07:57,117 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@35c8db35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:57, skipping insertion in model container [2024-09-13 10:07:57,117 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:57" (4/4) ... [2024-09-13 10:07:57,121 INFO L79 RefereeObserver]: Analyzing ICFG count_by_1.i [2024-09-13 10:07:57,124 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:57,125 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:57,125 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:07:57,125 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:57,125 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:57,126 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:57,126 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:07:57,162 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:57,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:57,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:57,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:57,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:57,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,177 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:57,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:57,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:57,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:57,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:57,201 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:57,213 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:07:57,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:57,213 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:57,213 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:57,213 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:57,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,217 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:07:57,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:57,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:57,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:57,218 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:57,229 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:57,239 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:57,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:57,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:57,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:57,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:57,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,248 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:57,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:57,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:57,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:57,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:57,260 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:57,272 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:57,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:57,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:57,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:57,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:57,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,278 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:57,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,281 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:57,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:57,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:57,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:57,285 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:57,291 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:57,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:57,291 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:57,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:57,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:57,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,293 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:57,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:57,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:57,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:57,294 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:57,294 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:57,296 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:57,299 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:57,300 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@35c8db35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:57, skipping insertion in model container [2024-09-13 10:07:57,300 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:57,303 INFO L158 Benchmark]: Toolchain (without parser) took 765.50ms. Allocated memory is still 169.9MB. Free memory was 135.7MB in the beginning and 98.5MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:57,303 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:57,304 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 137.6MB in the end (delta: 337.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:57,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.65ms. Allocated memory is still 169.9MB. Free memory was 135.7MB in the beginning and 122.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:57,306 INFO L158 Benchmark]: Boogie Preprocessor took 31.36ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:57,306 INFO L158 Benchmark]: RCFGBuilder took 256.57ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 109.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:57,307 INFO L158 Benchmark]: Referee took 187.99ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 98.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:57,309 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 loop head at line 26 to loop head at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 26. 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 19. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 169.9MB. Free memory is still 136.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 137.6MB in the end (delta: 337.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.65ms. Allocated memory is still 169.9MB. Free memory was 135.7MB in the beginning and 122.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.36ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.57ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 109.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 187.99ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 98.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:57,339 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...