This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:55,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:55,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:55,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:55,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:55,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:55,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:55,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:55,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:55,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:55,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:55,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:55,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:55,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:55,564 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:55,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:55,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:55,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:55,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:55,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:55,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:55,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:55,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:55,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:55,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:55,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:55,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:55,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:55,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:55,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:55,570 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:55,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:55,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:55,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:55,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:55,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:55,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:55,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:55,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:55,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:55,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:55,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:55,762 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:55,762 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:55,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-13 10:09:55,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:55,838 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:55,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 10:09:56,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:57,118 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:57,119 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 10:09:57,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4db2c2083/216b5ac5671e4800a6238224c6430c47/FLAGcbaac55bc [2024-09-13 10:09:57,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4db2c2083/216b5ac5671e4800a6238224c6430c47 [2024-09-13 10:09:57,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:57,550 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:57,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:57,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:57,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:57,555 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 10:09:55" (1/2) ... [2024-09-13 10:09:57,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338c299 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:57, skipping insertion in model container [2024-09-13 10:09:57,555 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 10:09:55" (1/2) ... [2024-09-13 10:09:57,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cf22f46 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:57, skipping insertion in model container [2024-09-13 10:09:57,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:57" (2/2) ... [2024-09-13 10:09:57,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338c299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57, skipping insertion in model container [2024-09-13 10:09:57,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:57" (2/2) ... [2024-09-13 10:09:57,566 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:57,567 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:09:57,567 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:57,567 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:57,567 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:57,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:57,731 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/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-09-13 10:09:57,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:57,774 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:57,804 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/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:57,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:57,827 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:57,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57 WrapperNode [2024-09-13 10:09:57,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:57,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:57,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:57,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:57,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,852 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 [2024-09-13 10:09:57,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:57,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:57,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:57,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:57,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (1/1) ... [2024-09-13 10:09:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:57,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:57,886 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 10:09:57,887 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 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:57,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:57,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:57,976 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:57,978 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:57,995 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:58,013 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:58,134 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:58,148 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:58,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:58,173 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:58,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:58 BoogieIcfgContainer [2024-09-13 10:09:58,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:58,174 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:58,174 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:58,175 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:58,175 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 10:09:55" (1/4) ... [2024-09-13 10:09:58,175 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,175 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:57" (2/4) ... [2024-09-13 10:09:58,176 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,176 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:57" (3/4) ... [2024-09-13 10:09:58,177 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,177 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:58" (4/4) ... [2024-09-13 10:09:58,177 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-13 10:09:58,180 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:58,181 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:58,181 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:58,181 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:58,181 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:58,182 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:58,182 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:58,182 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:58,182 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:58,183 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 10:09:58,183 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 10:09:58,183 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:58,183 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:58,183 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:58,184 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-13 10:09:58,227 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:58,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:58,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:58,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:58,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:58,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,238 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:58,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:58,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:58,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:58,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:58,259 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:58,293 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:58,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:58,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:58,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:58,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:58,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,297 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:58,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:58,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:58,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:58,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:58,299 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:58,313 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:58,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:58,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:58,313 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:58,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:58,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,328 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:58,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:58,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:58,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:58,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:58,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:02,332 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:02,347 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:02,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:02,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:02,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:02,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:02,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,350 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:02,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:02,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:02,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:02,350 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:02,351 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:02,364 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:02,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:02,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:02,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:02,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:02,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,367 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:02,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:02,368 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:02,368 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:02,368 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:02,369 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:02,381 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:02,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:02,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:02,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:02,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:02,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,407 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:02,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:02,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:02,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:02,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:02,409 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:02,418 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:02,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:02,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:02,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:02,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:02,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,436 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:02,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:02,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:02,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:02,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:02,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,446 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:06,456 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:06,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,457 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,457 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,458 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:06,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,458 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,458 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,462 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:06,470 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:06,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,473 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:06,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,476 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:06,482 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:06,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,483 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:06,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,484 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,484 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,485 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:06,491 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:06,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,491 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,494 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:06,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,496 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:06,531 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:06,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,535 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:06,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,539 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:06,546 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:06,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,565 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:06,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,577 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:10,583 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:10,583 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,584 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:10,585 INFO L158 Benchmark]: Toolchain (without parser) took 13036.12ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 82.6MB in the beginning and 163.4MB in the end (delta: -80.8MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,585 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 109.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:10,585 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory was 127.9MB in the beginning and 127.7MB in the end (delta: 127.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:10,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.62ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 120.9MB in the end (delta: -38.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,586 INFO L158 Benchmark]: Boogie Preprocessor took 34.56ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 118.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,586 INFO L158 Benchmark]: RCFGBuilder took 309.68ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 103.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,587 INFO L158 Benchmark]: Referee took 12409.73ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 103.7MB in the beginning and 163.4MB in the end (delta: -59.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:10,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 109.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 155.2MB. Free memory was 127.9MB in the beginning and 127.7MB in the end (delta: 127.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.62ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 120.9MB in the end (delta: -38.5MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.56ms. Allocated memory is still 155.2MB. Free memory was 120.9MB in the beginning and 118.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.68ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 103.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12409.73ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 103.7MB in the beginning and 163.4MB in the end (delta: -59.7MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:10,608 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:12,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:12,390 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:12,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:12,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:12,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:12,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:12,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:12,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:12,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:12,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:12,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:12,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:12,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:12,419 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:12,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:12,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:12,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:12,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:12,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:12,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:12,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:12,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:12,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:12,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:12,424 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:12,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:12,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:12,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:12,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:12,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:12,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:12,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:12,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:12,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:12,429 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:12,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:12,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:12,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:12,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:12,664 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:12,665 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:12,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-13 10:10:12,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:12,707 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:12,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 10:10:13,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:14,095 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:14,095 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 10:10:14,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/59dc4d422/655a5432f66045e48d590162c98c3d1e/FLAG1cc8298c0 [2024-09-13 10:10:14,117 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/59dc4d422/655a5432f66045e48d590162c98c3d1e [2024-09-13 10:10:14,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:14,118 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:14,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:14,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:14,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:14,124 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 10:10:12" (1/2) ... [2024-09-13 10:10:14,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2157314e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,127 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 10:10:12" (1/2) ... [2024-09-13 10:10:14,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13b8c613 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:14" (2/2) ... [2024-09-13 10:10:14,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2157314e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:14" (2/2) ... [2024-09-13 10:10:14,137 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:14,138 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:14,138 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:14,138 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:14,138 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:14,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:14,283 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/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] [2024-09-13 10:10:14,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:14,312 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:14,343 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/nla-digbench-scaling/lcm2_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:14,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:14,368 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:14,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14 WrapperNode [2024-09-13 10:10:14,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:14,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:14,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:14,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:14,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,404 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 [2024-09-13 10:10:14,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:14,422 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:14,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:14,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:14,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (1/1) ... [2024-09-13 10:10:14,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:14,451 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 10:10:14,456 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 10:10:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:14,550 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:14,552 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:14,568 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:14,597 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:14,861 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:14,873 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:14,900 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:14,900 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:14,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:14 BoogieIcfgContainer [2024-09-13 10:10:14,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:14,901 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:14,901 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:14,902 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:14,902 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 10:10:12" (1/4) ... [2024-09-13 10:10:14,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@616d7e08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,902 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:14" (2/4) ... [2024-09-13 10:10:14,903 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@616d7e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,903 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:14" (3/4) ... [2024-09-13 10:10:14,903 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@616d7e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:14, skipping insertion in model container [2024-09-13 10:10:14,903 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:14" (4/4) ... [2024-09-13 10:10:14,904 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-13 10:10:14,907 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:14,907 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:14,907 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:14,908 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:14,908 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:14,908 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:14,908 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:14,908 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:14,909 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:14,909 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 10:10:14,909 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 10:10:14,910 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:14,910 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:14,910 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:14,910 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-13 10:10:14,957 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:14,958 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,958 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,959 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,973 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:14,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,978 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,990 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:15,009 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:15,010 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,013 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:15,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,015 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:15,033 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:15,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,043 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:15,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,046 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,047 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,063 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:19,084 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:19,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,087 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:19,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,092 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:19,108 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:19,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,110 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:19,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,110 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,112 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:19,133 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:19,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,164 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:19,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,167 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:19,177 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:19,177 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,186 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:19,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,245 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:19,258 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:19,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,261 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:19,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,263 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:19,270 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:19,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,272 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:19,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,274 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:19,280 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:19,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,281 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,282 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:19,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,284 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:19,292 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:19,292 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,295 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:19,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,296 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:19,306 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:19,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,310 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:19,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,317 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:19,324 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:19,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:19,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:19,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:19,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:19,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,342 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:19,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:19,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:19,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:19,343 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:19,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:23,376 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:23,392 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:23,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@616d7e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,392 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:23,394 INFO L158 Benchmark]: Toolchain (without parser) took 9274.89ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 32.4MB in the beginning and 59.5MB in the end (delta: -27.2MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:23,394 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:23,394 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:23,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.44ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 39.4MB in the end (delta: -7.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:23,395 INFO L158 Benchmark]: Boogie Preprocessor took 51.77ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 37.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:23,397 INFO L158 Benchmark]: RCFGBuilder took 478.81ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 37.2MB in the beginning and 67.1MB in the end (delta: -29.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:23,397 INFO L158 Benchmark]: Referee took 8491.06ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 59.5MB in the end (delta: 7.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:23,399 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 48.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.44ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 39.4MB in the end (delta: -7.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.77ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 37.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.81ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 37.2MB in the beginning and 67.1MB in the end (delta: -29.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8491.06ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 59.5MB in the end (delta: 7.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:23,429 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...